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4.0-liter 1GR manual (IG31)

SKU IGTC-133Category


Out of stock

Out of stock

Out of stock

2005-2015 Tacoma 4.0L RA60F
2007-2014 FJ Cruiser 4.0L RA61F

Marlin Crawler and Inchworm have been working together for well over a decade. As the first exclusive distributor of Inchworm Single & Dual Case setups, we have been supplying our Heavy Duty adapter components and assembling transfer case products for Inchworm since the mid 2000’s. We are once again excited to be the exclusive builder and distributor for Inchworm products!

Made from 1/2″ thick USA billet aluminum and includes clockablility allowing for 0° or 10° rotation options.

Kit includes Adapter Plate, Seal Adapter with transmission output seal (Marlin Crawler EcoSeal where applicable), and hardware kit.

Weight 6.4 lbs
Dimensions 10.5 × 10.5 × 4 in

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

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