COMP Cams · New
COMP Cams Stud Girdle Adj Nut3/8
MPN 4509-16 · Store SKU cca4509-16
Supplier stock checked 11/7/2026, 12:06:33 PM UTC. Adding a part does not reserve it.
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Product details
Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race applications. The Stud girdle polylocks are precision ground for minimum runout and tapered for extra strength in the locking area. With a 2.000" overall length, this adjusting nut set is designed for 3/8" rockers with a stud girdle. Comes with snap rings. Stud Girdle Adjusting Nut Set of 12 for 3/8" Stud w/ (4) 4509S Snap Rings
Manufacturer fitment & guides
Check 4509-16 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y