Yella Terra Ultralite Shaft Mount Aluminum Rocker Arm - 1.70 Ratio - Roller Tip - GM LS-Series 1411Y individually balanced for long service

individually balanced for long service life

Mount EFI Plenum Top

1975-1979 Lincoln Continental

Constructed from our proprietary high-impact plastic

1-Pc Drag Frontrunner

Yella Terra Ultralite Shaft Mount Aluminum Rocker Arm - 1.70 Ratio - Roller Tip - GM LS-Series 1411Y individually balanced for long serviceProduct Description: Rocker Arm Ultralite Shaft Mount 1. 70 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, Superchargers