COMP Cams · New
COMP Cams Poly Lock 7/16in Magnum
MPN 4603-1 · Store SKU cca4603-1
Supplier stock checked 11/8/2026, 4:37:40 AM UTC. Adding a part does not reserve it.
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Product details
Tapered for extra strength in locking points, our Magnum polylock is 1.300" tall with a .665" diameter for use with 7/16" stud rockers. Magnum Polylock for 7/16" Rocker Stud 7/16" Magnum Poly Lock-1
Manufacturer fitment & guides
Check 4603-1 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y