Smith Bros GM LS3 1.7 Ratio Rocker Arms Kit | Trunnion Upgraded Exhaust Components These springs are designed specifically

These springs are designed specifically for high lift

Designed for high performance applications these kits provide added strength and security to your valvetrain & timing set up

The VCM 16 camshaft is designed for street/strip use & makes the most our of your LS engines high end capabilities

camshaft etc

- 3" Inch Stainless Steel Mid Pipe

Smith Bros GM LS3 1.7 Ratio Rocker Arms Kit | Trunnion Upgraded Exhaust Components These springs are designed specificallyThe GM LS rocker has been proven to handle majority of engine applications. Whether it is a standard daily driver or a race drift application the OEM rocker supports a vast range of camshaft & valvetrain applications. The one common failure in the OEM rocker is the rocker trunnion bearing which is a needle roller system with a failure prone bearing housing. The design works fine for stock applications with relatively low km's however it is not