COMP Cams · New
COMP Cams Poly Lock 3/8 High Energy Alu
MPN 4631-1 · Store SKU cca4631-1
Supplier stock checked 11/7/2026, 1:03:18 PM UTC. Adding a part does not reserve it.
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Product details
This 1.125" tall polylock fits our 3/8" High Energy Die Cast Aluminum roller rocker arms. Perfect for moderate lift and spring pressure applications. High Energyâ„¢ Aluminum Polylock with 3/8" Stud diameter. 1.125" Tall Polylock for High Energy Rockers w/ 3/8" Stud
Manufacturer fitment & guides
Check 4631-1 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y