Edelbrock Rocker Arms Roller BBC 7/16In 1 7 1 Ratio Set of 16

Edelbrock part #77790 Red Roller Rocker arms are designed for Big block Chevy's using 7/16 studs. This 1.7:1 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.

Additional Information

Red Roller Rockers for Big-Block Chevy 7/16 stud and W 348/409 1.7:1 (Qty 16)

Application Summary

Chevrolet:W-Series:348 (5.7L)-409 (6.7L)

Part Type

Engine Rocker Arm

• Made In U.S.A.

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Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

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Reference Information

Rocker Arms, Full Roller, Aluminum, Red, 1.7 Ratio, for Use with 7/16 in. Stud, Set of 16

Edelbrock roller rockers are manufactured in the USA from lightweight 7129 grade aluminum. The body is CNC-machined and 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. Their full-body design will accommodate up to 1.650 in. diameter springs. These Edelbrock aluminum roller rockers include thick-walled adjusting nuts and 4140 steel polylocks.