Cometic
Cometic Chevy Big Block Gen V&vi 4.320 Bore - C5817040
Cometic Chevy Big Block Gen V&vi 4.320 Bore - C5817040
Regular price
$128.99 USD
Regular price
Sale price
$128.99 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Chevrolet Big BlockFitment notes & questions
Chevy Big Block Gen V&vi 4.320 Bore by Cometic for Chevrolet. Replacing a gasket is usually more labor than parts, so it pays to replace any others you disturb on the way in.
Quick facts
- Brand: Cometic
- Part type: Gasket
- Listed for: Chevrolet
- Part number: C5817040
Tip: Clean both mating surfaces completely and follow the bolt torque and sequence for your engine.
Before you order: Chevrolet Big Block gasket fitment
Gaskets seal the joints between engine parts so oil, coolant and air stay where they belong.
Fitment notes
- Listed for: Chevrolet Big Block.
- 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? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentPlan the whole job
- Sealant where called for. Some joints need a dab of sealant at corners or seams; others must go on dry.
- Bolts and grommets. Rubber grommets and old bolts are worth replacing if they are damaged.
More for your car: Chevrolet Parts · Engine
Questions about Chevrolet Big Block gasket
Will this fit my Chevrolet Big Block?
It is listed for the Chevrolet Big Block. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
Do I need sealant with this gasket?
It depends on the joint. Follow your engine service manual; many modern gaskets go on dry.
Can I reuse an old gasket?
No. Once compressed, a gasket will not seal reliably a second time.
Where do specs and warranty details come from?
From Cometic. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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