Edelbrock 77770 - Roller Rocker Arms, Chevrolet Small Block, 3/8", 1.5:1 Ratio

Edelbrock part #77770 Red Roller Rocker arms are designed for small block Chevy's using 3/8" studs. This 1.5:1 Ratio, set of 16 rockers are manufactured in the USA from lightweight 7129-grade aluminum. The body is CNC machined then micro-polished and anodized for durability. The trunnion race, roller pin and roller tip are centerless ground for superior quality. A high-quality Torrington needle bearing fulcrum combined with a roller tip ensure smooth operation and performance. The full body design will accommodate up to 1.65" diameter springs. Thick-walled adjusting nuts and 4140 steel poly locks are included.

• 7129-grade aluminum
• CNC machined
• Micro polished
• Anodized
• Accommodates up to 1.65-inch diameter springs
• Made in U.S.A.