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Comp Cams Poly Lock, 3/8 Ultra Gold Narr Ow Body

COMP Cams · New

Comp Cams Poly Lock, 3/8 Ultra Gold Narr Ow Body

MPN 4633-1 · Store SKU cca4633-1

$9.95
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Supplier stock checked 11/7/2026, 9:18:22 PM UTC. Adding a part does not reserve it.

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Product details

Ultra ARC Aluminum Narrow Body - 3/8 Polylock. The Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power, improve valvetrain stability, and enhance oiling efficiency. Their extruded design—developed using FEA analysis—creates a stronger, stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature an Arced, Recessed, Contoured design delivers an optimal strength-to-weight ratio. Backed by a Lifetime Warranty—buy them once and use them forever. Engineered for applications running up to 700 lbs of open spring pressure. Ultra ARC Aluminum Narrow Body - 3/8 Polylock

Manufacturer fitment & guides

Check 4633-1 against the manufacturer’s application information below.

Part-specific notes

  • California Proposition 65: Y

Manufacturer documents

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