COMP Cams · New
COMP Cams Spring Seat Cutter For GM Vor
MPN 4716CPG · Store SKU cca4716CPG
Supplier stock checked 11/7/2026, 7:39:19 PM UTC. Adding a part does not reserve it.
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Product details
Cuts cylinder head spring seats to 1.320" diameter / Cuts to .630" inner diameter. For installing larger springs and hardened spring seats on GM Vortec heads. Requires the use of an arbor/pilot, which are available for 5/16", 11/32" and 3/8" valve stem sizes. This valve seat cutter allows you to enlarge the cylinder head spring pocket to 1.320" outer diameter while reducing the outer diameter of the valve guide to .630". Ideal for installing larger springs on GM Vortec head. Spring Seat Cutter for GM Vortec - 1.320" Spring Seat O.D., .630" Guide O.D. Spring Seat Cutter for GM Vortec - 1.320" Spring Seat O.D. .630" Guide O.D.
Manufacturer fitment & guides
Check 4716CPG against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y