Cometic
Cometic 2006+ GM LS7 7.0L 4.150 inch Bore .027 inch MLS Headgasket
Cometic 2006+ GM LS7 7.0L 4.150 inch Bore .027 inch MLS Headgasket
Part number: CGSC5889-027
Couldn't load pickup availability
- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Cometic 2006+ GM LS7 7.0L 4.150 inch Bore .027 inch MLS Headgasket, with the part number and details listed below. 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.
Quick facts
- Brand: Cometic
- Part type: Head gasket
- Model years: 2006
- Engine: 7.0L
Listed fitment
- 2014-2015 Chevrolet Camaro Z/28
- 2013 Chevrolet Corvette 427
- 2008 Chevrolet Corvette 427 Limited Edition Z06
- 2006-2013 Chevrolet Corvette Z06
- 2011 Chevrolet Corvette Z06 Carbon
Good to know
- Warranty terms: Warranty
Tip: Most head gaskets call for new head bolts and a flat, clean deck surface. Check the head and block before you reassemble.

Cometic head gasket: what to know
A failed head gasket can mix coolant and oil, push coolant out of the system or cause overheating, so it is a job worth doing once and doing right.
Fitment notes
- Engine: match the engine size and code to your vehicle; the same model often came with several engines.
- 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 fitmentWhat else to plan for
- 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: Engine · All Head Gaskets · Engine
Questions about head gasket
Will this fit my car?
What are signs of a bad head gasket?
Should I resurface the cylinder head?
Where do specs and warranty details come from?
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.