2401-1525 M8-Gorilla Rocker Shaft and Stud Kit

                     Feuling - GORILLA ROCKER SHAFTS  

• 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
• Designed with strength in mind
• Made in the U.