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GSC P-D 4G63T Valve Seat OEM Replacement (Set of 16)

Manufacturer reference photos may show other components. Your order includes the sale unit described here.

GSC Power Division · New

GSC P-D 4G63T Valve Seat OEM Replacement (Set of 16)

MPN 1004 · Store SKU gsc1004

$26.40

Sold as one set of 16.

IN STOCK2 ready to ship

Supplier stock checked 11/8/2026, 2:01:47 AM UTC. Adding a part does not reserve it.

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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

GSC Replacement Valve Spring Seats, OEM replacement Valve Spring Seats are perfect for replacing old seats when upgrading to a high performance spring kit like the GSC Beehives .

Manufacturer fitment & guides

Check 1004 against the manufacturer’s application information below.

A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.

Part-specific notes

  • California Proposition 65: Y
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