Cometic Gasket · New
Cometic Chevy Big Block 4.630in Bore 0.043in Copper Head Gasket
MPN C15415-043 · Store SKU cgsC15415-043
Supplier stock checked 11/7/2026, 11:52:30 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
Chevrolet Mark-IV Big Block V8 .043in. Copper Cylinder Head Gasket; 4.630in. Bore Chevrolet Mark-IV Big Block V8 .043" Copper Cylinder Head Gasket, 4.630" Bore Chevrolet Mark-IV Big Block V8 Cylinder Head Gasket Requires less clamp load Copper Head Gasket
Manufacturer fitment & guides
- GM/CHEVY BIG BLOCK MK4 4.63in.Bore
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y