Smith Bros GM LS1 1.7 Ratio Rocker Arms Kit | Trunnion Upgraded 871384 Cometic MLS Gaskets feature superior

Cometic MLS Gaskets feature superior strength and sealing quality due to their multi layered steel design combined with an embossed viton flouroelastomer rubber based outer layer coating which is heat resistant to 250 degrees c

This grind has powered multiple boosted LS1 street cars to a solid sub 10 second 1/4 mile while still retaining great streetability

To achieve our objectives

Every Crow Cam is ground using only the highest quality cast iron or steel cam billets which are sourced from the leading suppliers in USA & Europe

Smith Bros GM LS1 1.7 Ratio Rocker Arms Kit | Trunnion Upgraded 871384 Cometic MLS Gaskets feature superiorThe 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