Edelbrock Rocker Arms Roller SBF 3/8In 1 6 1 Ratio Individual

Edelbrock part #77781 Red Roller Rocker arms are designed for small block Chevy's using 3/8" studs. This 1.6:1 Ratio, single replacement rocker is 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

ROCKER ARMS ROLLER SBF 3/8in. 1.6:1 RATIO INDIVIDUAL

Application Summary

Ford:Small-Block:289 (4.7L)-351W (5.8L)

Part Type

Engine Rocker Arm

• Made In U.S.A.

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Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Roller Rocker Arm, 3/8 in. Stud Mount, Full Roller, 1.6 Ratio, Aluminum, Red Anodized, Ford, Small Block, Each

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.