Product Information
Designed with strength in mind
Over double the strength of factory rocker shafts
Best possible material and heat-treat process available to create the best rocker shaft on the market
Custom tooling was created to provide a countersink relief for the bolt/ nut head verses machining away the entire end of the shaft per the factory design
Precision ground from 4140HT steel
Gas nitrated and final surface treated
Recommended for all M-Eight engines and especially for engines running higher lift camshafts and heavier valve spring pressures
M-Eight stock replacement
Made in the U.S.A.
