Features & Benefits:-
* Designed with strength in mind, with over double the strength of the factory & or our competitors shafts. Precision ground from 4140HT steel, gas nitrited & final surface treated.
* 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.
* Recommended for all M-Eight engines & especially for engines running higher lift camshafts & heavier valvespring pressures.
* Replaces OEM # 17300059
* Made in the U.S.A.