Yella Terra Ultralite Rocker Arm Shaft Mount 1.80 Ratio Roller Tip - Aluminum BR40002 Aero 4 / Aero 6

Aero 4 / Aero 6 / W4A / W6A Wilwood Caliper

including Pistol-Grip models

Grand Marquis 1991-1978

Silicone Spark Plug Boots

each adjustment has been carefully defined to provide the ideal horse curve to maximize performance

Yella Terra Ultralite Rocker Arm Shaft Mount 1.80 Ratio Roller Tip - Aluminum BR40002 Aero 4 / Aero 6Product Description: Rocker Arm Ultralite Shaft Mount 1. 80 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