This is a Heavy Duty Reduction Housing for 1979-1995 RF1A Transfer Case. The stock low range housing has an average wall thickness of 5mm (0.197″) while this upgraded Heavy Duty housing has an average wall thickness of 13.97mm (0.550″) for more than twice the strength.
It is also designed with internal clearancing for Marlin Crawler’s oversized 4.70:1 Low Range Gear Set design without any additional modifications needed!
Made in the USA out of 356-T6 Heat Treated Aluminum


















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