The factory thrust washer fails under heavy loading due to a narrow cross-section with a square lock-pin keyway. Marlin Crawler has developed a new thrust washer that features a larger cross-section with a rounded lock-pin keyway. To top it off, its made from heat treated & vacuum arc remelted (VAR) Chromoly steel. New hardened pin included.
We recommend this thrust washer for those who are pushing 300+ ft-lbs of torque through their R-series transmission.
Applications include R150, R150F, R151, R151F, R154, and other R-series transmissions.