Cometic
Cometic Jims 4in Big Bore Head & Base Kit .040in H/G .020inB/G
Cometic Jims 4in Big Bore Head & Base Kit .040in H/G .020inB/G
Part number: CGSC9945
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- Free fitment check before you order
Cometic head gasket, with the part number and details listed below. The head gasket seals the cylinder head to the block, keeping combustion pressure in the cylinders and coolant and oil in their own passages.
Quick facts
- Brand: Cometic
- Part type: Head gasket
Tip: Most head gaskets call for new head bolts and a flat, clean deck surface. Check the head and block before you reassemble.
About this head gasket
Head gasket jobs take the top of the engine apart, which is why most people replace the related gaskets and bolts at the same time.
Fitment notes
- Specs, lead time and warranty come from Cometic and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentParts that usually go with it
- Head bolts. Many engines use torque-to-yield head bolts that should not be reused.
- Coolant. Refill with the coolant type your engine calls for.
- Valve cover and intake gaskets. They come off during the job, so it is the time to replace them.
More for your car: All Head Gaskets · Engine
Questions about head gasket
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Questions & answers
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