Chevy GM LS1 1.7 Ratio Stainless Steel Roller Rocker Arm Set Stud Mount We provide a threaded grease

We provide a threaded grease fitting on top and a drilled flex ball for better lubrication plus

diameter tubes

Upgrade a standard C4

They're available in -3 AN sizes in a variety of lengths

Designed for precision fitment and easy installation

Chevy GM LS1 1.7 Ratio Stainless Steel Roller Rocker Arm Set Stud Mount We provide a threaded greaseSpeedmaster 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.