Chevy GM LS1 / LS6 1.8 Ratio Aluminum Shaft Rocker Arms Set (with Hardware) Speedmaster piston oil ring spacers

Speedmaster piston oil ring spacers are manufactured from spring steel and install against the bottom sill of the oil ring groove

while delivering increased engine vacuum

The Speedmaster design incorporates open-fin spacing that promotes airflow through the radiator to enhance the cooling and help eliminate clogging

Speedmaster alternator pulleys are manufactured from quality materials to ensure strength and durability

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

Chevy GM LS1 / LS6 1.8 Ratio Aluminum Shaft Rocker Arms Set (with Hardware) Speedmaster piston oil ring spacersSpeedmaster roller rockers are available in various ratios, so you are good to go. They feature greater strength and durability, capable of withstanding valve spring load.