Chevy LS 1.7 Ratio Adjustable Stainless Steel Roller Rocker Arm Set Unlike our competitors that only

Unlike our competitors that only use 3 or 4 pinion gears

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

as well as aftermarket control arms

so it is not necessary to change to a 10 degree retainer

filter element

Chevy LS 1.7 Ratio Adjustable Stainless Steel Roller Rocker Arm Set Unlike our competitors that onlySpeedmaster 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.