Comp Cams Rocker Arm, GM LS1 1.8 3/8 Ultra Pro Mag Performance Aero Parts The A2000 flows enough fuel

The A2000 flows enough fuel to support the world

Note: Headlights must be opened and resealed for this upgrade

Retrofit design allows the upgrade to be reversed without permanent modification to the factory bumper

Bolt them in with basic hand tools and you're done

Comp Cams Rocker Arm, GM LS1 1.8 3/8 Ultra Pro Mag Performance Aero Parts The A2000 flows enough fuelNew LS Specific Ultra Pro Magnum Rocker Arms From COMP Cams Increase Ratio And Stiffness Over Stock Rockers, While Also Increasing Lift Without The Need To Swap Cams As LS engines continue to grow in popularity, COMP Cams has expanded its line of rocker arms to build components specific to LS applications. New Ultra Pro MagnumT Rockers are made from investment cast 8650 chromemoly steel, utilize upgraded trunnions and needle bearings over stock and