COMP Cams Magnum Roller Tip Steel Rocker Arm Kit w/ High Energy Pushrods - 3/8 in Stud Mount - 1.60 Ratio - Oldsmobile V8 1442-KIT HLY558-471 Thatas nearly 3000 RPM higher

Thatas nearly 3000 RPM higher than most original HEI distributors

Constructed with a high-quality brushed suede outer layer and a Nomex inner liner

Polished Stainless Shifter Ring

Stainless steel fan blades

SPECS: Application: 0-83670 Brand: Holley

COMP Cams Magnum Roller Tip Steel Rocker Arm Kit w/ High Energy Pushrods - 3/8 in Stud Mount - 1.60 Ratio - Oldsmobile V8 1442-KIT HLY558-471 Thatas nearly 3000 RPM higherComp Cams Magnum Roller Tip Steel Rocker Arm Kit w High Energy Pushrods 3 8 in Stud Mount 1. 60 Ratio Oldsmobile V8 Perfect for street performance Olds 455 our 8620 chromemoly steel 1. 6 ratio Magnum roller tip rockers can handle up to 350 lbs of pressure. Included in the kit are studs, guide plates and a set of our High Energy pushrods. COMP Cams Magnum Roller Rocker Arm Kit, 1. 6 ratio, 3 8" Stud Diameter for Oldsmobile 455c. i. V8 Engines Product