Roller Rocker Arms, Chevrolet Big Block, 7/16", 1.7:1 Ratio

837,00 €

In Stock - Ready to ship,
Delivery time appr. 1-3 Workdays

Artikel-Nr.: EDL-77790
Notes:

Edelbrock red roller rockers are manufactured in the USA from lightweight 7129-grade aluminum.... mehr

Edelbrock 77790 - Roller Rocker Arms, Chevrolet Big Block, 7/16", 1.7:1 Ratio

Edelbrock red roller 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 ensures 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.

Car/Engine:	Chevrolet Big Block, Chevrolet W-Series
Engine Notes:	348-409 cui, 396-402-427-454 cui
Rocker Arm Material:	Aluminum
Rocker Arm Mounting Style:	Stud
Rocker Arm Nut Style:	Polylock
Rocker Arm Ratio:	1.7
Rocker Arm Style:	Full Roller
Stud Size:	7/16"
Quantity:	Set of 16, 1 Piece
Notes:	Tall valve covers are recommened

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Installation Notes

Rocker geometry should be checked, making sure that the contact point of the roller remains properly on the valve tip and does not roll off the edge. Visual inspection of the rockers, valve springs, retainers, and pushrods should be made to ensure that none of these components come into improper contact with each other. If problems with valve train geometry occur, changes such as pushrod length may have to be made.

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