Yella Terra Pro Street Shaft Mount Aluminum Rocker Arm - 1.70" Ratio - Roller Tip - GM LS-Series 3550224-104 Height is 8-3/4" and mounting

Height is 8-3/4" and mounting width is 42"

1966-1966 GMC K1000

Fluid Pressure Regulating

11 in Wide Seat

Yella Terra Pro Street Shaft Mount Aluminum Rocker Arm - 1.70" Ratio - Roller Tip - GM LS-Series 3550224-104 Height is 8-3/4" and mountingProduct Description: Rocker Arm Pro Street Shaft Mount 1. 70 in Ratio Roller Tip Aluminum GM LS Series Yella Terra has been designing, developing and manufacturing High Performance products in Australia for over 50 years! Over 60 Years of Performance Innovation! From humble beginnings in the early 1960s Dyno Dave Bennett and his staff have built Yella Terra into Australias leading manufacturer of Roller Rockers, Performance Cylinder Heads,