Kibblewhite Rocker Arm Stud/Nut Kit - Rocker - M8 20-21045

Replacement nuts for Kibblewhite Rocker Arm Shaft Stud and Nut Kit

Keep those cylinder heads from crackingFeuling? studs and nuts help relieve the stress put on the factory and SE cylinder heads, which have an extremely weak link with the rocker arm shaft...

Constructed of SAE660 bearing bronzeMade in the U.S.A.

Extends the life of cylinder headsHelps prevent damage to the rocker arm towersRe-torque rocker arm nuts after installation

Custom tooling was created to provide a countersink relief for the bolt/nut head versus machining away the entire end of the shaft per the factory designRecommended for all M-Eight engines and...