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COMP Cams Rocker Arm GM LS3 1.8 3/8 Ultra

COMP Cams · New

COMP Cams Rocker Arm GM LS3 1.8 3/8 Ultra

MPN 1676-1 · Store SKU cca1676-1

$56.95
IN STOCK1 ready to ship

Supplier stock checked 11/7/2026, 12:35:17 PM UTC. Adding a part does not reserve it.

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Product details

This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.8 ratio, this rocker fits LS3 with a 3/8" diameter stud. For LS3/L99/L76 - Rectangle Port Head LS ApplicationsSingle Stud Mount Rocker - Includes Poly Lock - Requires 3/8" Studs & Ultra Pro Magnum 1.8 Ratio Rocker Arm for GM LS3 w/ 3/8" Stud

Manufacturer fitment & guides

Check 1676-1 against the manufacturer’s application information below.

Part-specific notes

  • California Proposition 65: Y

Manufacturer documents

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