COMP Cams · New
Comp Cams Titanium Retainers, 1.500In Lw Dia
MPN 721-4 · Store SKU cca721-4
Supplier stock checked 11/8/2026, 3:12:27 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Upgrading to COMP Cams titanium valve spring retainers will often allow you to gain speed and power because titanium retainers are lighter and as stong as most steel ones. Additionally, our Super Lock? titanium design gives you confidence, no longer will you be preoccupied with splitting a retainer and tearing up an engine when turning 10,000 RPM. Our 721 Retainers are made from 6AL4V alloy. Use these retainers with our 927 Dual Valve Springs and our 618 Locks. no longer will you be preoccupied with splitting a retainer and tearing up an engine when turning 10,000 RPM. Titanium Retainers for 927 Dual Valve Springs
Manufacturer fitment & guides
Check 721-4 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y