Chevy LS 1.7 Ratio Adjustable Stainless Steel Roller Rocker Arm Set Injectors come complete and ready

Injectors come complete and ready for installation with precision molded o-rings and fine-mesh fuel strainers

A billet yoke can mean the difference between winning and losing

These durable but lightweight aluminum pumps push up to 60 gallons of water per minute of coolant circulation

filter element

Speedmaster EFI intake manifolds make it simple to convert competition engines to electronic fuel injection

Chevy LS 1.7 Ratio Adjustable Stainless Steel Roller Rocker Arm Set Injectors come complete and readySpeedmaster 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.