COMP Cams · New
COMP Cams Poly Lock 1/2in Hi-Tech Single
MPN 4657-1 · Store SKU cca4657-1
Supplier stock checked 11/7/2026, 2:56:15 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
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Product details
The best polylock for high end race applications, this Hi-Tech polylock is designed for 1/2" Ultra Pro Magnum and Ultra Pro Magnum XD rockers. Hi-Tech Polylock/Adjusting Nut, 1/2" Stud for Ultra Pro Mangum/Ultra Pro Magnum XD Rockers - Single Hi-Tech Polylock for 1/2" Stud Ultra Pro Magnum Rockers
Manufacturer fitment & guides
Check 4657-1 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y