Chevy LS 1.7 Ratio Adjustable Stainless Steel Roller Rocker Arm Set 6 rib serpentine pulley designed

6 rib serpentine pulley designed to increase grip

They come in tall and short models

This is our most popular manifold and is showing up on many performance street machines and street rods

It is designed to hold the amount of oil that is needed to lubricate the engine when it is running

Available in plain or finned styles

Chevy LS 1.7 Ratio Adjustable Stainless Steel Roller Rocker Arm Set 6 rib serpentine pulley designedSpeedmaster 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.