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Cometic Gasket Cometic Gasket GM LS Gen-3/4 SB V8 .071in DST Cyl. Head Gasket - 4.150in Bore - 1/2in Studs
Cometic Gasket Cometic Gasket GM LS Gen-3/4 SB V8 .071in DST Cyl. Head Gasket - 4.150in Bore - 1/2in Studs
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Cometic Gasket GM LS Gen-3/4 SB V8 .071in DST Cyl. Head Gasket - 4.150in Bore - 1/2in Studs

CGSC15741-071
191070590536
Head Gaskets
2 Units In Stock - Ships Next Business Day
$ 313.95 $ 282.56
$ 282.56

SKU: C15741-071 | UPC: 191070590536

Cometic Gasket GM LS Gen-3/4 SB V8 .071in DST Cyl. Head Gasket - 4.150in Bore - 1/2in Studs 1997-2013 Chevrolet Corvette Camaro

Cometic C15741-071 delivers a .071in thick MLS cylinder head gasket engineered for GM LS Gen-3/4 small block V8 engines with 4.150in bore and 1/2in studs. This gasket fits 1997-2013 Chevrolet Corvette, 1998-2002 Camaro and Firebird, 2004-2006 Pontiac GTO, plus select GM trucks and SUVs with LS engines. It ensures durable sealing in high compression and boosted performance setups for consistent power delivery.

Key Features

  • MLS Construction: Three layers of 301 stainless steel with exclusive polymer coating resist extreme pressures and temperatures up to 3000psi for long-term engine reliability
  • .071in Nominal Thickness: Compresses to .051in for exact quench control in stroker and big bore LS builds supporting higher lift cams and pistons
  • 4.150in Bore Size: Accommodates sleeved blocks and stroker kits over 422ci while centering perfectly on cylinders for leak-free operation
  • 1/2in Stud Compatibility: Matches ARP and OEM-style head studs on cathedral port LS1 LS2 LS6 LS7 heads for secure clamping
  • Stainless Steel Fire Ring: Provides combustion seal around bores preventing blow-by in naturally aspirated or forced induction applications

Product Notes

  • Verify block and head decks are flat within 0.002in before installation
  • Pair with MLS-compatible head bolts or studs and high-temp RTV on non-sealed areas
  • Packaged flat in protective sleeve to prevent damage during transit

Installation Notes

  • Professional installation recommended.
  • Clean surfaces thoroughly and apply light oil to bolts before torquing in sequence
  • Requires 1/2in diameter head studs. torque to 70ft-lbs ARP specs in 3 steps

This Part Fits

Year Make Model Submodel
1997-2004 Chevrolet Corvette Base Z06
2005-2013 Chevrolet Corvette Base Z06
1998-2002 Chevrolet Camaro Z28 SS
1998-2002 Pontiac Firebird Formula Trans Am
2004-2006 Pontiac GTO Base
1999-2007 Chevrolet Silverado 1500 All LS
1999-2006 Chevrolet Tahoe All LS
2005-2006 Chevrolet SSR Base
2006-2009 Chevrolet Trailblazer SS Base

Why Choose Cometic Gasket?

  • Trusted by NHRA Top Fuel and NASCAR teams for sealing record horsepower engines
  • Manufactured in USA with ISO-certified processes for consistent quality
  • Precision laser-cut layers ensure zero defects and perfect fit every time

Frequently Asked Questions

  • Q: Will this gasket fit my LS3 engine?
    A: Designed for 4.150in bore LS Gen3/4 engines including LS1 LS2 LS6 LS7 cathedral port heads. LS3 rectangular port requires different part number
  • Q: What material and coating does it use?
    A: Multi-layer 301 stainless steel with Cometic proprietary nitrite-based polymer coating for corrosion resistance and torque retention
  • Q: What is the warranty and return policy?
    A: Limited lifetime warranty against manufacturing defects. non-returnable once opened due to single-use nature inspect upon receipt

Shipping & Handling

  • Method: UPS Ground or USPS Priority
  • Availability: In stock - ships same or next business day
  • Packaging: Protective flat sleeve 17.25 x 17.25 x 0.75 inches
  • Weight: 0.85 lbs

Request For Information

Have questions about Cometic Gasket GM LS Gen-3/4 SB V8 .071in DST Cyl. Head Gasket - 4.150in Bore - 1/2in Studs? Fill out the form below and we'll get back to you by the next business day.
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