Yella Terra Pro Street Shaft Mount Rocker Arm - 1.70 Ratio - Roller Tip - GM LS-Series Hydraulic Release Bearing Sounds like dirt may have

Sounds like dirt may have gotten in the relief valve

1800-2100 RPM Stall

Fan kit includes everything you will need for a manual switch installation

The steering brace strengthens the chassis

Note: Lifters are included with Edelbrock Performer-Plus and Performer RPM camshafts

Yella Terra Pro Street Shaft Mount Rocker Arm - 1.70 Ratio - Roller Tip - GM LS-Series Hydraulic Release Bearing Sounds like dirt may haveProduct Description: Rocker Arm Pro Street 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