Chevy LS1 1.7 Ratio Aluminum Pedestal Mount Roller Rocker Arm Set Black Speedmaster shirts are the perfect

Speedmaster shirts are the perfect way to let everyone know where you go for high performance aftermarket parts and accessories

Speedmaster pushrods are available in both 5/16 in

NOTE: You need Studs and Guide Plates to Run Roller Rockers

These cast aluminum manifolds accept square-bore carburetors and are pressure tested to ensure maximum performance

increases valve train life dramatically

Chevy LS1 1.7 Ratio Aluminum Pedestal Mount Roller Rocker Arm Set Black Speedmaster shirts are the perfectSpeedmaster Aluminum Roller Rockers are extruded from 6061 T6 Aluminum. The larger needle bearing fulcrum can withstand valve spring loads up to 600lbs, while the extruded body has a tensile strength over 60,000 PSI. Ideally suited for use with Solid Mechanical flat tappet and Hydraulic Roller Cams. They feature very precise valve operation, horse power increase of 10 15, increases valve train life dramatically, acceleration is more responsive, oil