Heavy Duty Center Mount for MarRack Steering Rack


Availability: In stock

Availability: In stock

RCLT HD Installations

This is our optional Heavy Duty Solid Center MarRack frame mount upgrade!

Marlin Crawler invented the use of a Heavy Duty full-size IFS steering rack with modified steering geometry compatible with light-duty mid-size vehicles (patent no. 11066099), giving birth to the Heavy Duty MarRack. The MarRack features a new center mount for a third steering rack-to-frame connection, which this kit takes advantage of for extra strength, reliability, and safety. With this kit, the MarRack has a 5.1-times greater rack-to-frame connection size compared to stock light-duty steering racks.


  • Greatly increases rack mount strength for horizontal forces
  • Spreads loads away from main mounts increasing frame mount durability

Recommended Use:

  • We have no set recommendation for this product. It is entirely optional. Install it to spread stresses and enhance MarRack-to-frame mount connection strength and durability. We run this kit on our personal RCLT HD-equipped vehicles
  • It is relatively easy to install this product during or after RCLT HD installation

Specifically designed for an RCLT HD installation for proper alignment with frame. Not compatible with factory-installed steering racks. Tested since April 2022 on sixteen Moab trails and our local Dusy/Ershim trail with RCLT HD & 40″ tires.

RCLT HD Owners: Click Here to view our introduction thread for this product!

Combined with our Heavy Duty Double-Shear Mount Upgrade, the Marlin Crawler MarRack has an 8.2-times larger rack-to-frame connection making it the strongest and most reliable Toyota/Lexus IFS steering rack mount available.

Weight1.9 lbs
Dimensions6 × 3.5 × 1 in
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

Proposition 65 Warning for California Consumers

WARNING: Products we sell can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to p65warnings.ca.gov.

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