The lightest rocker arm available, but still has superior strength characteristics due to its designThe strength of 660 bronze bushings and bearing-grade steel for the roller tipExtensively tested...
Cast from 4340 heat-treated chromoly steelReduce friction in the valve train, providing more horsepower and less heat in the top endInclude 660 bronze bushing fit to .0007" - .0012" for the best wear...
In an effort to perfect Milwaukee-Eight® engine valve train geometry, while improving durability, JIMS® has developed performance rocker shafts and proprietary hardwareThe rocker arm shafts are...
