Cometic
Cometic GM LS1 SB 4.060in Bore .060 inch MLS Head Gasket
Cometic GM LS1 SB 4.060in Bore .060 inch MLS Head Gasket
Part number: CGSC5751-060
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- Free fitment check before you order
GM LS1 SB 4.060in Bore .060 inch MLS Head Gasket from Cometic. 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.
Specifications
- Brand: Cometic
- Part type: Head gasket
Fitment
This listing does not name specific vehicles. Match the part number and the specifications with the part you are replacing.
What it does
The head gasket seals the cylinder head to the block, keeping combustion pressure in the cylinders and coolant and oil in their own passages. Using the correct part for your exact engine keeps oil pressure, sealing and timing where the engine was designed to run, and doing related parts at the same time saves taking it apart twice.
Installation & tips
- Most head gaskets call for new head bolts and a flat, clean deck surface. Check the head and block before you reassemble.
- 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.
- Work on a cool engine with the vehicle secured, and use a service manual for your vehicle for torque specs and procedures.
FAQ
Can I install it myself?
Many owners do this job at home with basic tools and a service manual for their vehicle. If you are not sure, have it fitted by a qualified mechanic.
What should I check before ordering?
Compare the part number, specifications and fitment on this page with your vehicle and with the part you are replacing.
Before you order
- Measure the part you are replacing and compare it with the specifications above.
Good to know
- Warranty: Warranty

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
- 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 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: Head Gaskets · 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.