Description
Feuling Gorilla Rocker Shaft and Stud Kit for Harley Davidson M-8 Engines
- 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 design
- Recommended for all M-Eight engines and especially for engines running higher lift camshafts and heavier valve spring pressures
- Over double the strength of factory rocker shafts
- Gas nitrated and final surface treated
- Precision ground from 4140HT steel
- Designed with strength in mind
- Made in the USA
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