RCLT, Heavy Duty
Price range: $6,599.00 through $7,399.00
Financing available! 0-36 months @ 0-36% APR – Example: 18 payments of $367 to $411
Estimated Lead Time: ~16-18 weeks
The Only Long Travel System That Fixes What Others Miss
Race-Proven Performance, Built for the Everyman Wheeler
Most long travel setups are built bit-by-bit with separate unrelated parts: arms, reinforcements, cut body mounts, geometry hacks and custom racks. Each solves one problem while creating another.
RCLT HD changes that.
It’s the only patented long travel IFS system designed from the ground-up as a complete solution – integrating steering, suspension, and geometry into one engineered package – that installs faster, costs less, and performs better where it matters most.
Why Most Long Travel Builds Fall Short
Most kits reuse factory knuckles, geometry and stock steering components, parts that were never designed to be lifted, to support larger tires, to have increased travel and articulation, or to sustain real off-road abuse.
The result:
- Weak & sloppy steering systems that fail under load
- Knuckles that don’t have the right geometry to be lifted (the higher you lift, the worse it drives)
- Travel limited by vertical ball joints
- Poor alignment & bump steer
- Inferior ground clearance & approach angles
- Expensive add-ons to fix what the original kit didn’t solve
- Endless cycles of incremental upgrades, labor, and frustration (see: The modding spiral)
- Click here for a full list of what other kits leave you stranded with
You don’t need more parts.
You need a system designed to work together.
The Cost of Doing Nothing
If you keep running lifted stock IFS or install mismatched long travel components from different manufactures, you risk:
- Frequent Steering Tie Rod & Rack Replacements
- Bump steer, cornering, and handling issues you literally can never fix
- Compromised Safety on-road and off
- Continued Uncertainty: Relying on partial solutions to bandaid stock knuckles means you’ll keep worrying about breakage and poor geometry
- Higher Long-Term Costs: Repeatedly replacing tie rods, broken steering racks, and bent knuckles drains both time and money
- “Can I fit these tires?”
- “Will my steering break if I run these tires?”
- Body or Fender Damage from poor approach angles
- Missed Adventures: A rig with limited strength, travel, and minimal ground clearance may force you to pass on your favorite trails, or risk catastrophic failures far from home
Don’t let weak steering or subpar IFS geometry decide where you can-and-can’t go.
A Complete Engineered System – Not a Collection of Parts
RCLT HD replaces the entire front-end equation:
- Steering rack & tie rods
- Knuckles & steering arms
- All-new bolt-on 2-inch forward tire placement, a patented industry-first
- All-new Suspension & Steering geometry engineered for a new lifted baseline you actually plan to use
Everything is designed to work together from the start, eliminating the need for future patchwork upgrades and guesswork.
When geometry, strength, and steering are engineered as one system, everything changes.
And not all long travel systems are built on this same philosophy:
| Typical Long Travel Builds | RCLT HD |
|---|---|
| Add parts to fix problems | Engineer problems out |
| More components | Fewer failure points |
| More fabrication | More integration |
| More “strength” claims | Proven durability |
| Complexity | Efficiency |
The difference isn’t what’s added. It’s what no longer needs to be fixed. (see: 13 Problems Every IFS Kit Faces)
Proven Where It Matters Most
RCLT HD has nearly a decade of use, installed in hundreds of rigs on multiple continents, and has yet to leave anyone stranded on- or off-road, even in competitions:
- First Toyota IFS ever to complete the full King of the Hammers EMC 4600 race course (high speed desert + extreme rock crawling)
- 6+ consecutive KOH races with zero IFS, steering, frame, or frame mount failures
- Four full ULTRA4 race seasons, competing in every type of condition, including high speed baja and low speed technical rock crawling
- Stock steering pump & stock IFS frame mounts
- Survived one of the harshest environments in off-road racing … multiple times over
Proven stronger than the most harsh of conditions, and ready to handle anything you throw at it.
When the Weak Points Are Gone
Ask anyone who regularly wheels an IFS truck, and you’ll hear the same story: sooner or later, something in the front end gives out.
Broken tie rods. Bent knuckles. Blown steering racks. Wasted ball joints. Trail repairs. It’s not a question of if. It’s when.
And RCLT HD has single-handedly put a sudden end to all these issues.
Of course, like any mechanical system, components like front differentials still depend on proper setup and maintenance, but the chronic steering and front suspension failures that stop most all IFS builds have been eliminated.
Instead of simply strengthening parts, RCLT HD removes the limiting factors entirely.
In fact, BigMike’s Tacoma has logged over 70,000 miles on 40s. 10+ years daily driven. Never trailered. And with zero front end or frame failures despite the bolt-on design of our control arms, ease of service, and transferability to another platform.
RCLT HD has proven itself year-over-year as the only long travel system that eliminates the failures that stop other builds.
Core Advantages
Engineered Steering Geometry
— Designed from a lifted baseline for stable, predictable handling, tight OEM steering feel, and proper alignment at ride heights enthusiasts actually desire. Heavy Duty gusseted UCAs include ±1° caster adjustment to fine-tune alignment for your specific setup. (see: Steering Geometry That Works — and Why It Matters)
Increased Steering Power Without Adding Complexity
— Some long travel builds rely on upgraded steering pumps to compensate for geometry limitations and increased load from larger tires. RCLT HD takes a different approach. By combining a larger, more powerful steering rack with longer steering arms, steering force is increased through geometry, reducing strain on the system while maintaining smooth & predictable control–proven up to 42″ tires–without the added cost, complexity, or potential failure points of pump upgrades. (see: Geometry Is What Changes Everything & Why We Don’t Rely on Pump Upgrades)
True Heavy-Duty Steering System
— Not adapted, engineered. Full-size steering rack + full-size rack mount hardware + full-size inner tie rod connection + matched oversized billet steering arms + 1-ton double-shear steering hardware eliminates all weak points.
Top: Factory light-duty Tacoma/SUV steering rack. Bottom: 54% more massive 200-series rack converted into a MarRack
Oversized Billet Knuckles
— Massive 1/4″ boxed knuckles with extended-length double-shear one-piece CNC billet steering arms. By far the strongest Toyota/Lexus Long Travel knuckles ever made and on the market today.
Fits Larger Tires Without Cutting
— Run up to 40″ tires without relocating body mounts or cutting critical frame sections.
Designed around Bolt-On Simplicity
— Installs in as little as one long day. No cutting off control arm mounts. No cutting off crossmembers. No removing shock towers. Transferable; all stock parts able to be reinstalled with zero further modifications.
How RCLT HD Solves IFS Problems
- Upgrade Steering & Suspension Together
All long travel kits skip the biggest weak point: the steering. RCLT HD requires the MarRack, our original and patented system built around proper geometry for an oversized Land Cruiser steering rack.We only recommend Genuine Toyota racks manufactured in Japan for one reason: consistency and long-term reliability. Steering racks operate under extreme load–especially with larger tires–and differences in internal tolerances, sealing, and material quality directly impact performance and lifespan.
While aftermarket racks may appear similar on the surface, they often vary significantly in quality control and durability. For a system designed to eliminate steering as a failure point, we believe the foundation should be as proven as the rest of the components.
The result is a steering system that is not only significantly stronger, but also more predictable and reliable under real-world conditions–while still remaining more cost–effective than alternative rack swap approaches. (see: Why a Narrowed Tundra Rack Isn’t the Steering Upgrade It Appears to Be)
- Engineered to Work With the Factory Frame & Proven at the Limit
Some systems require extensive cutting and replacement of factory frame sections in an effort to increase strength or geometry. RCLT HD was engineered by distributing load through optimized geometry and reinforced component design. The system works in harmony with factory mounts, rather than replacing them. Proven durability across nearly a decade of real-world use, including ULTRA4 racing and King of the Hammers competition, with zero reported frame or mounting failures. - Gain Industry-leading Capabilities
Patented bolt-on 2-inch forward knuckle geometry, box-welded control arms with industry-leading high-clearance design, double-shear connections through-out for maximum strength and reliability, providing flex far greater than any setup reusing stock knuckles. - Oversized Replacement Knuckles
Forget modifying stock knuckles that were never meant for lifted applications. RCLT HD’s massive knuckles deliver all-new CNC-precise steering placement and geometry for a lift, with longer than stock steering arms that increase steering force through geometry, allowing RCLT HD to maintain strong, confident steering without the added complexity of upgraded pump systems. (see: Our Steering Arms Are Built Different) - Proper Steering Geometry for Lifted Applications
All-new Steering & Knuckle geometry engineered for a taller-than-stock ride height, an impossibility for any kit reusing stock knuckles. (see: Steering Geometry That Works — and Why It Matters) - Built for Oversized Tires
RCLT HD fits larger tires with less trimming, and our increased steering power through geometry avoids having to upgrade your steering hydraulic system entirely. - Engineered for Strength & Durability
USA-made high-strength steel, 1-ton tie rods, 1-ton hardware, double-shear ball joints, and double-shear TRE connections for unmatched strength & reliability with no reported frame or mounting failures. RCLT HD delivers strength for days. - Industry Leading Ground Clearance
We have the most low profile control arms on the market today that pairs perfectly with our new Ultimate Low Profile Skid Plate. - Versatile for All Driving Styles
All-new geometry yields superior on-road handling while increasing both low and high-speed off-road performance. Retains factory ABS, cruise control, and traction systems. - Bolt-On Simplicity & Transferability
Go ahead and do it yourself: RCLT HD is designed to be as bolt-on as possible, and aside from preparing for the MarRack, everything mounts onto your existing chassis with minimal effort, tools, or fabrication experience or skills. It’s also reversible and transferable should you ever move to another compatible platform or God forbid you roll or total your vehicle.
Two Ways to Build Long Travel
In order to gain clearance for larger tires, some kits require cutting off critical IFS frame sections to reposition the knuckles forward, an irreversible procedure that requires experienced fabrication and extensive labor costs. RCLT HD achieves the same benefits–and much more–without having to hack your truck apart.
| Fabrication-Based Systems | RCLT HD |
|---|---|
| Requires cutting factory control arm mounts, crossmembers, and/or shock towers | Patented design that is as bolt-on as possible |
| Extensive welding and professional fabrication required | DIY-friendly, retains reliable factory eccentrics so any shop can align your vehicle without special instructions |
| Multi-week professional install | Typical DIY install of 2 to 5 days based on application |
| Permanent, non-reversible modifications | Fully reversible and transferable |
| High labor cost and complexity | Proven performance with less downtime and cost |
Both approaches can deliver performance, but only one delivers it without irreversibly cutting your truck apart.
The Real Cost of Long Travel
Building Long Travel piece-by-piece can exceed $15,000-$17,000 with significantly more labor.
RCLT HD delivers a complete, engineered solution for $5,000 less on average, while installing 1.5-3× faster.
See our blog post The Real Cost of Long-Travel IFS — And the Bargain Hiding in Plain Sight for the shocking truth of just how much you can save by starting your journey with RCLT HD.
Now Includes Steering Mount Upgrades
Every kit now includes our 2× Double-Shear Rack Mounts and 1× Center Mount Upgrade – both not possible with a Tundra rack swap. A $130 value, this unique triple-path MarRack mount upgrade is now included to further strengthen your steering system and align with our heavy-duty design philosophy. (see: Ultimate Rack Mount Upgrades for the Ultimate Steering Rack)
Your Rig, Transformed
- Conquer Any Terrain
Tackle rock gardens, high speed desert, overland adventures, and daily commutes with the same unstoppable confidence. - Unmatched Reliability
Zero reported IFS, steering, or frame failures under punishing conditions, including six consecutive King of the Hammers entries and four full ULTRA4 race seasons. - Enjoy a Smooth, Controlled Ride
Patented geometry engineered for higher-than-stock-lift keeps you stable on highways and hairpin backcountry roads alike. - Superior Approach & Ground Clearance
Crawl over obstacles that used to scrape, run bigger tires with less frame & body hacking, and keep your ride height low for better stability. - Build Your Legacy
Join a growing community of RCLT HD owners who’ve said goodbye to stock weaknesses and hello to unstoppable performance.
Key Features at a Glance
Patented 2″ Forward Geometry
— Improves approach angles and eliminates body mount relocation
Integrated Heavy Duty Steering Rack (MarRack)
— Full-size rack with full-size mount hardware for increased power and durability, far superior to narrowed Tundra racks. (see: Why a Narrowed Tundra Rack Isn’t the Steering Upgrade It Appears to Be)
Oversized Replacement Billet Knuckles
— CNC’d one-piece solid billet steering arm-to-wheel hub-to-brake caliper engineered for the oversized MarRack steering rack, with oversized double-shear steering arms that increase steering power through geometry, avoiding steering pump upgrades entirely. Upper boxed 1/4″ plating and 1/4″ internal gusseting. Double-shear top, bottom, & steering. By far the strongest Toyota/Lexus Long-travel knuckles on the market. Period.
Horizontal Double-Shear Ball Joints
— Maximum articulation, strength, and reliability, with redundancy and dependability that have made RCLT HD famous. (see: The Real Cost of Long-Travel IFS – Section 6)
Built for 35″ Tires and Beyond
— Run larger tires with less trimming. Up to 39″ tires fit with zero body mount frame bracket modification. Steering strength and drivability proven with up to size 42″ tires.
Adjustable Upper Control Arms
— Double-shear, 1/4″ gusseted Heavy Duty UCAs with ±1° caster adjustment, allowing precise alignment tuning for low or fully lifted builds.
Full Testing & Unmatched Heritage
— For nearly a decade, RCLT HD has been rigorously tested on Rubicon, Fordyce, Moab, Hammers, KOH, and ULTRA4 by the most experienced rock crawling company in the world.
Built for the Trail. Proven at the Limit.
RCLT HD isn’t just another upgrade–it’s a complete transformation of how your vehicle performs on and off the trail.
When strength, geometry, and steering are engineered together, confidence comes standard.
Take the Next Step–Build It Right the First Time
Stop letting subpar steering, limited travel, and poor ground clearance hold you back. RCLT HD gives you the freedom and confidence to explore trails you once feared, without sacrificing on-road comfort or daily usability.
- Explore the RCLT HD Design
Click here to read the full details of why RCLT HD beats all long travel approaches. - Pick Your Configuration
Select from our popular +2.75″ or +3.50″ extended length options, designed for 2003–2024 Toyota frames (Tacoma, 4Runner, FJ Cruiser, Lexus GX). - Upgrade with the MarRack
Experience the robust reliability & geometry-enhanced power assist that only a true, integrated, and engineered heavy duty full-size rack setup can offer. - Install & Hit the Trail with Confidence
Follow our detailed, industry-leading instructions, or have a professional do it. Then wave goodbye to limiting angles and fragile components. Dominate rocky climbs, steep descents, off-camber obstacles, and tight switchbacks with ease.
Ready to Revolutionize Your Rig?
You’ve always known your rig had untapped potential. RCLT HD is your key to unlocking it. Transform your Toyota or Lexus with the only patented long travel kit with bolt-on 2-inch forward geometry and set out for your next off-road adventure with unrivaled peace of mind!
When you invest in the best, every trail becomes yours to conquer.
Frequently Asked Questions
- Is RCLT HD Compatible with My Year/Model?
Yes, we offer both Type III (2003–2009) and Type IV (2010–2024) platforms. Check our full compatibility chart in the FAQ for details. - Why Do I Need a Heavy Duty Rack?
Other LT kits rely on weak stock racks and literally pinky-finger-sized inner tie rods. The integrated MarRack setup is proven to handle 42s and keeps your steering tight. - Do I Have to Weld Anything?
There’s a couple holes to drill, minor cutting, and about 10-20″ of weld for steering rack installation. Everything else is the same as a typical DIY LT install. We’ve taken great care to design a straightforward procedure with as much bolt-on components as possible. - What About Highway Driving?
Our geometry actually improves on-road manners of lifted rigs, minimizing bump steer and maintaining alignment specs through a wider range of travel for better traction and less tire wear. - Is It Really Strong Enough for Rock Crawling?
Absolutely. RCLT HD has been tested with 40″ tires through the Hammers, Moab, Sand Hollow, Fordyce, & Rubicon, as well as 42″ tires in the PNW with zero failures. - Can it handle high speed baja/desert?
Yes. Used daily by multiple ULTR4 race teams and many desert enthusiasts, RCLT HD delivers added strength, reliability, and suspension travel for high-speed use. Its patented forward-mount offset provides extra room for a secondary shock & air bump. RCLT HD originally shipped with a dedicated second shock mount (2021-2022), but that mount was removed by popular request to let customers choose from common aftermarket secondary shock kits. - How Much Clearance Can I Expect?
By moving the knuckle forward 2 inches, you gain approach angles on par with a typical SAS. And thanks to our innovative inverted lower control arm design, the equivalent in ground clearance from stock 30.6″ to 40″ tires is gained under the arms, protecting your investment by keeping it up and out of harms way. Pair with our HD Diff Drop Kit and Ultimate Low Profile Skid Plate for the best clearance in the industry by far.
For all other details—like recommended spring rates, body clearancing tips, tire fitment, and more—head to our in-depth RCLT HD FAQ.
Adventure awaits. We’ll see you on the trail!
RCLT HD is protected by the patents 11066099, 11667327, and others pending.
Explore more:
- Blog Post: Why a Narrowed Tundra Rack Isn’t the Steering Upgrade It Appears to Be
- Blog Post: The Real Cost of Long-Travel IFS — And the Bargain Hiding in Plain Sight
- Blog Post: Steering Geometry That Works — and Why It Matters
- Blog Post: Our Steering Arms Are Built Different
- Blog Post: Ultimate Rack Mount Upgrades for the Ultimate Steering Rack
- Racing News: RCLT HD becomes the first IFS Toyota to complete both laps of the brutal 165-mile KOH race
Frequently Asked Questions
Bookmark link: MarlinCrawler.com/RCLTHD-FAQ
RCLT HD Installation and Action Example Pictures
Bookmark link: MarlinCrawler.com/RCLTHD-media
Click to view Instagram posts for #RCLTHD
What Parts are Included?
Everything needed to install excluding oversized steering rack (available separately), longer axles (available separately), and longer coilovers (available separately).
- Exclusive access to online database for installations & 1-on-1 RCLT HD support
- Heavy Duty Lower Control Arms, 2.75-inch longer than stock (5.50-inch track width increase) with our exclusive & patented +2-inch forward knuckle geometry for improved tire clearance and approach angle
- Heavy Duty Double-shear Upper Control Arms with adjustable caster feature
- Heavy Duty Double-shear Knuckles with unique & proper geometry compatible with a MarRack
- One-piece double-shear steering arm-to-wheel hub-to-brake caliper mount CNC billet construction
- Longer than stock steering arms for increased steering power as well as decreased stress on rack, rack mounts, and all frame components
- Not compatible with weaker factory racks or weaker narrowed Tundra racks
- Not compatible with sway bars or K.D.S.S.
- Not compatible with 15- or 16-inch wheels (see FAQ for more details)
- Heavy Duty 1-ton SAS-sized Double-shear Steering Hardware
- Mounting Templates, Sector Shaft Adapter, & Hardware to install a MarRack
- Adjustable 15,000 lb-rated Limit Straps with Heat Treated Chromoly Ends
- Military grade USA-made Steel Braided Brake Lines
- Complete Hardware Kit
Please see the Required Parts tab for remaining parts required to install RCLT HD.
Three Required Parts NOT Included
• MarRack Heavy Duty Steering Rack
• Longer Axles
RCV Chromoly Replacement Inner Shafts
RCV is currently only offering +3.50″ replacement inner shafts. Please call them for details at (815) 877-7473
Ultimate Build (35″ tires or larger): $2,399.95 (pricing as of 11/9/25)
RCV Ultimate CV Set Complete replacement set using unbreakable Dana 60 35-spline 300M Chromoly with a limited lifetime warranty.
 RCV Ultimate IFS Set, +2.75″ Bar SKU D11935 |
RCV Ultimate IFS Set, +3.50″ Bar SKU D10959 |
• Longer Coil-overs
2.5-inch LT coil-over with a 24.5″ extended length and 8″ stroke (or equivalent) with lower misalignment spacers designed for 1⁄2” hardware and a 1.50″ lower mount width. A “Long Travel” coil-over is not a set definition and manufactures use different specs for their own LT parts. Just know that a shock which is too long (such as a 9″ stroke) will limit up-travel, and a shock too short will limit down-travel. The same coil-over may be used with either +2.75 or +3.50″ kit, just note that you may want to add slight coil preload when using the longer +3.50″ kit to account for the added leverage.
For best results we recommend Radflo.com coil-overs which have been custom built by our own specifications in testing and tuning RCLT HD and have a true 8.0-inch stroke. We also recommend ICON. There are other Long Travel shock manufacturers/options, but please verify specifications & fitment prior to ordering. See FAQ for more details.
• Other/Optional Requirements
2010+ SUV: Late-model 4Runner/FJ Cruiser Left Differential Bracket must be replaced with an Early SUV or Tacoma bracket (product link). See Instructions > Page 13 for details. 4/9/26 Update: We are now making a Heavy Duty Replacement Differential Bracket System that is compatible with all RCLT HD installs. More info: MarlinCrawler.com/diffdrop
Stronger Brake Caliper Mount: As of Summer 2022, our HD Knuckles now use Toyota’s larger M14 caliper hardware found on 2015+ SUV applications. This means 2014 and older SUVs and all Tacomas will need to order four larger Toyota caliper bolts (product link) and upgrade existing caliper through-holes using 9⁄16” drill. See Instructions > Page 31 for details.
Tools Required To Install
Tools required to install RCLT HD include a welder, grinder, drill, and simple hand tools. The total amount of welding is only around 25″ inches of weld and can be done with home garage welders.
Total Cost Overview (at time of launch plus new Sept 2024 updated pricing)
“At time of launch, the price goal for a complete DIY turn-key RCLT HD installation will come in at less than just the shop labor charge to do an SAS, which is often $10K or more.” — BigMike Standard installation of RCLT HD:
- Introductory Pricing, 2021:
$286.79 (reman. MarRack) + $750 (Inner Axle Shafts) + $1,679.95 (Icon Coil overs) = $2,716.74 $6,999 (introductory 2021 price) RCLT HD + $2,716.74 needed parts = $9,715.74 total DIY install - Updated Pricing, Sept 2024:
$409.22 (reman. MarRack) + $750 (Inner Axle Shafts) + $1,761.96 (Icon Coil overs) = $2,921.18 $5,999 (new lower 2024 price) RCLT HD + $2,921.18 needed parts = $8,920.18 total DIY install
Ultimate installation of RCLT HD:
- Introductory Pricing, 2021:
$461.03 (OEM MarRack) + $2,195 (Ultimate CV Set) + $1,974.00 (Radflo, adj.) = $4,630.03 $6,999 (introductory 2021 price) RCLT HD + $4,630.03 needed parts = $11,629.03 total DIY install - Updated Pricing, Sept 2024:
$836.09 (OEM MarRack) + $2,195 (Ultimate CV Set) + $2,310.00 (Radflo, adj.) = $5,341.09 $5,999 (new lower 2024 price) RCLT HD + $5,341.09 needed parts = $11,340.09 total DIY install
Example Installation
Below is what an Ultimate Build parts collection looks like. Depending on your home market these parts combined cost less than just the labor charge of a Solid Axle Swap, and while RCLT HD is more difficult to install than other LT kits, it may be installed by the home mechanic capable of drilling a hole and welding upside down.
Installation ready to go! Photo credit: RCLT HD Unboxing (YouTube, 9:35m)
2011 Tacoma Example: Stock vs RCLT HD front + 3″ Expedition Leaf Springs rear + 40s
The days breaking steering racks, tie rods, knuckles, & CVs are over, proven reliable with even 42″ tires
RCLT HD Installation Instructions
Bookmark link: MarlinCrawler.com/RCLTHD/instructions
Click to download • v1.10 • 53-pages, 9.07 MB PDF • Updated: 8/28/23 • View Change Log
General Use Disclaimer
- RCLT HD is designed for Off-Road use
- RCLT HD is not compatible with anti-roll bars resulting in increased body roll
- Disabling traction control may improve slow-speed city driving
- Whenever you lift a vehicle its center of gravity increases becoming more prone to roll over
- Whenever you lift a vehicle its frontal area increases which may result in a drop in fuel economy
- If you fit larger-than-stock tires, your braking distance may increase
- If you fit larger-than-stock tires without regearing your differentials, your speedometer may be off
On-Site Installation Service
We are setup and ready to install your RCLT HD here at Marlin Crawler! Give us a call at (559) 252-7295 to get your install scheduled right where it was born!
Installation Videos
RCLT HD has been installed by many shops across multiple continents, and here are some videos from the community. If you have an install video you’d like added, then please post it to the Owners Club!
RCLT HD Installation, by Dirt Lifestyle |
Installing the Marlin Crawler RCLT-HD Long Travel on our V8 4Runner, by Sherpa Motorsports |
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“If you can drill a hole and weld upside down, you can install RCLT HD” — Nate, Dirt Lifestyle
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Install Overview by Ozark Overland Outfitters |
RCLT HD Unboxing by @furthur_off_road and @a_tracalex |
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“I’m a big straight-axle guy, but this setup is second to none.” — Ozark Overland
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Install Part 1 – Disassembly, by @a_tracalex |
Install Part 2 – Assembly, by @a_tracalex |
“When you hold the knuckles it’s obvious these are not going to break.” — Mountain Yotas
Instructions Change Log
v1.10 – Released 8/28/2023
327 total changes (according to plain-text file compare utility)
NEW: Inline Limit Strap Design info
NEW: Limit Strap Length Changed from 11″ to 8″
NEW: Enlarged LCA Bump Stop Surface Area Info
NEW: Easier Bump Stop Install & Options
NEW: “One Bolt” Axle Repair info
NEW: G/H/I/J/K Half-thickness LCA Washers
Added 2010+ GX460 Install info throughout
Added to Double-check all parts prior to starting
Added extra notes surrounding MarRack Line Adapter
Added former M12 Caliper Toyota SKU for reference
Added additional Coilover install notes and torque specification
Added RCV inner shaft/bar reference SKUs
Added Steering Hardware info to Break-in Procedure
Added QR code for Sector Shaft Install tips
Added QR code for Big Brake Kit options
Added two Figures, combined two others
Improved 4.7L V8 date range info
Rearranged Part Reference Tables in order of component type
Reduced TRE torque specification by 10 lb-ft
Simplified Torque specifications
Updated compatible Tacoma info up to MY2023
Many readability, detail, and text reduction improvements
Pages: 53, Figures: 119
v1.09 – Released 4/18/2023
97 total changes
Added info on using Chisel to remove LH rack bushing
Added QR code to view Air Chisel Bushing Removal video demonstration
Added QR code to view optional Blow Torch Bushing Removal video demonstration
Added QR code to MarRack HD Center Mount Upgrade Kit
Added QR code to view extra pictures and info on modifying steering sector shaft
Added improved picture and information for MarRack Line Adapter installation
Added Brake Caliper installation info for improved M14 mount hardware
Added QR code to view extra pictures and info on custom Bump Stop installations
Added QR code to view Simple Caster Adjustment video demonstration
Added SUV table data for expected Caster alignment measurements
Changed Brake Line to Brake Hose to comply with Toyota terminology
Removed dry torque specifications from tabled data to prevent confusion
Removed depreciated references to Secondary Shock Mount
Updated A7 Hardware Specs to reflect larger M14 caliper hardware
Readability and detail improvements
Pages: 53, Figures: 119
v1.08 – Released 7/28/2022
162 total changes Improved Table Of Contents display
Added new LCA washer info to parts reference table
Added hole saw as optional method for MarRack frame clearancing
Added Image of hole saw cut
Added measurement detail of re-centering MarRack
Added front differential pinion mount nut torque spec
Added HD Knuckle bore grease info
Updated new LCA Washer type ‘F’
Changed “Silicone-Teflon” grease requirement to “Water-resistant”
Appendix A6 – Added Bump Stop info
NEW: Appendix A13 – High Speed Use Tips Some readability and detail improvements Pages: 53, Figures: 119
v1.07 – Released 11/18/2021
116 total changes
Increased estimated install time one day for inexperienced shops
Added additional Engine Mount Clearance notes, photo credit @lostinthewoodst4r
Copied Appendix A4’s Seal Orientation Reference to HD Knuckle Preparation
Added info regarding removing debris from brake rotor mount surface
Added Appendix A12 for Brake Rotor Interference Troubleshooting
Minor other readability improvements
Pages: 52, Figures: 118
v1.06 – Released 10/8/2021
106 total changes
Fixed multiple page and reference number errors
Improved readability of Power Steering Flush
Improved readability of MarRack O-Ring Conversion
Improved readability of Hydro Bump Stop option
Improved Bushing Torch image
Improved Speed Sensor Harness routing image
Added note about LCA Steering Stop Limit
Added Seal Orientation Reference to Appendix A4
Minor other readability improvements
Pages: 51, Figures: 117
Website: Updated “Click to View” image
v1.05 – Released 9/9/2021
255 total changes
Added Version Number and QR code to front page
Added 2010+ SUV LH Differential Mount Instructions
Expanded MarRack Line Adapter to 2010+ SUV applications
Improved images of MarRack Line Adapter
Improved description of MarRack ITR removal options
Improved description of MarRack to oil pan clearance for V8 applications
Added image of non-VVT-i 8cyl MarRack oil pan clearance, photo credit @lostinthewoodst4r
Added image for torching out steering rack bushing, photo credit @4xfredwilliams
Added section to record final Sector Shaft measurements
Improved image of optional Hydro Bump Stop setup, photo credit @lostinthewoodst4r
Added more RCLT HD action photos, 5th gen 4Runner photo credit @acardena13
Minor readability and detail improvements
Pages: 51, Figures: 117
Website: Added Instructions Change Log
Website: Created easy to remember URL: MarlinCrawler.com/RCLTHD/instructions
v1.04 – Released 6/21/2021
128 total changes
Added Middle Caster Position Measurements
Many readability and detail improvements
Pages: 50, Figures: 109
v1.03 – Released 6/20/2021
183 total changes
Added Body Mount and Fender Clearancing Notes
Added Coil Spring Rate Notes
Added different MarRack ITR removal options
Improved view of MarRack Frame Insert Illustration
Improved Compression Sleeve Identification
Added Routine Maintenance
Improved Break In Procedure
Improved Closing Notes Readability and detail improvements
Added RCLT HD action photos
Pages: 50, Figures: 109
v1.02 – Released 6/13/2021
147 total changes
Added comprehensive Checklist
Improved Knuckle Assembly Instructions
Added instructions for rare LCA-to-Rear Frame Mount Interference
Added Caster Adjust Feature Details
Improved Axle Nut Torque Instructions
Themed Torque Tables
Added Heavy Duty Frame Brace Kit Reference
Readability and detail improvements
Pages: 49, Figures: 106
v1.01 – Released 6/10/2021
12 total changes
Minor corrections
Pages: 48, Figures: 106
v1.00 – Released 6/9/2021
First Official Release!
115 total changes
Simplified Estimated Installation Time breakdown
Updated Superseded Toyota OEM Oil Seal Part Numbers
Improved Prado frame identification
Finished Tools Required sections
Readability and detail improvements
Pages: 48, Figures: 106
v1.00RC3
Third & Final Release Candidate
283 total changes
Added Estimated Installation Time breakdown
Added LCA Compression Sleeve Application Information
Improved LCA Compression Sleeve Images
Many readability and detail improvements
Pages: 48, Figures: 106
v1.00RC2
Second Release Candidate
71 total changes
Added Power Steering System Flush Images
Added Toyota OEM Oil Seal Images
Added Limit Strap Images
Added ABS Harness Image
Added Caliper Hard Line Image
Added “Simple ±1° Caster Adjust Without Removing Tire” Procedure
Added units to various torque measurements
Readability and detail improvements
Pages: 48, Figures: 104
v1.00RC1
Initial Release Candidate
First four installations performed with RC1!
Pages: 48, Figures: 99
| Make | Model | Year | Notes |
|---|---|---|---|
| Lexus | GX460 | 2010 - 2024 | |
| Lexus | GX470 | 2003 - 2009 | |
| Toyota | 4Runner | 2003 - 2009 | |
| Toyota | 4Runner | 2010 - 2024 | |
| Toyota | FJ Cruiser | 2006 - 2009 | |
| Toyota | FJ Cruiser | 2010 - 2014 | |
| Toyota | Tacoma | 2005 - 2015 | |
| Toyota | Tacoma | 2016 - 2023 |
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