Chevy GM LS1 / LS6 1.9 Ratio Adjustable Stainless Steel Roller Rocker Arm Set turbocharged and nitrous applications

turbocharged and nitrous applications

improving belt retention and reducing the risk of slippage

Constructed from durable aluminum

What's more

Try using Speedmaster steel crankshaft pulleys to increase horsepower and reduce accessory drag

Chevy GM LS1 / LS6 1.9 Ratio Adjustable Stainless Steel Roller Rocker Arm Set turbocharged and nitrous applicationsSpeedmaster Stainless steel rollers are manufactured from heat treated stainless steel and alloy steel tip rollers. Speedmaster 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 up to 600lbs.