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Cometic Gasket Cometic Gasket GM LS Gen-3/4 SB V8 .071in DST Cyl. Head Gasket - 4.100in Bore - 1/2in Studs
Cometic Gasket Cometic Gasket GM LS Gen-3/4 SB V8 .071in DST Cyl. Head Gasket - 4.100in Bore - 1/2in Studs
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Cometic Gasket GM LS Gen-3/4 SB V8 .071in DST Cyl. Head Gasket - 4.100in Bore - 1/2in Studs

CGSC15749-071
191070590697
Head Gaskets
2 Units In Stock - Ships Next Business Day
$ 313.95 $ 282.56
$ 282.56

SKU: C15749-071 | UPC: 191070590697

Cometic Gasket GM LS Gen-3/4 SB V8 .071in DST Cyl. Head Gasket - 4.100in Bore - 1/2in Studs 1997-2024 Chevrolet Performance LS Engines

This Cometic cylinder head gasket delivers precise sealing for GM LS Gen III/IV small block V8 engines with 4.100 inch bores. It fits modified Chevrolet Camaro Corvette Silverado and other LS-powered vehicles from 1997 to 2024. The .071 inch thickness and multi-layer steel construction handle high cylinder pressures in boosted or high-compression builds.

Key Features

  • Multi-Layer Steel (MLS) Construction: Resists extreme heat and pressure for leak-free performance in racing and street applications
  • 4.100 Inch Bore Size: Exact match for aftermarket LS blocks ensuring perfect combustion chamber alignment
  • .071 Inch Compressed Thickness: Provides exact compression height control for tuned engine setups
  • 1/2 Inch Stud Compatibility: Works with ARP head studs for secure clamping on LS Gen3/4 heads
  • DST Sealing Technology: Enhanced bead design prevents blowout and maintains seal under boost up to 30 psi

Product Notes

  • Single gasket per cylinder head verify quantity needed for V8 engines
  • Requires flat MLS-compatible deck surfaces on block and head
  • Packaged flat in protective envelope for damage-free delivery

Installation Notes

  • Professional installation recommended.
  • Clean surfaces with MLS gasket remover and inspect for deck flatness within 0.002 inch
  • Torque head studs in sequence to manufacturer specs using moly lubricant

This Part Fits

Year Make Model Submodel
1997-2004 Chevrolet Corvette LS1
1998-2002 Chevrolet Camaro SS LS1 Z28
1998-2002 Pontiac Firebird Formula Trans Am LS1
2004-2006 Pontiac GTO LS1 LS2
2005-2007 Chevrolet Corvette LS2
2008-2013 Chevrolet Corvette LS3
2007-2013 Chevrolet Silverado 1500 LS3 L92 6.2L
2009-2015 Cadillac CTS-V LSA

Why Choose Cometic?

  • Engineered for motorsports with 30+ years of gasket innovation
  • Precision-stamped in USA from premium stainless steel
  • Proven in NHRA IHRA and street performance LS builds

Frequently Asked Questions

  • Q: Will this gasket fit my stock bore LS engine?
    A: Designed specifically for 4.100 inch bores common in stroker or sleeved LS blocks confirm your bore size before purchase
  • Q: What material is used and how does it handle boost?
    A: Multi-layer steel with fire ring seals supports up to 30 psi boost and 1200+ hp applications
  • Q: What is the warranty and return policy?
    A: Cometic offers a limited warranty against defects contact us for claims within 30 days of install

Shipping & Handling

  • Method: UPS Ground or USPS Priority
  • Availability: In stock - ships same or next business day
  • Packaging: Protective envelope 12 x 12 x 0.5 inches
  • Weight: 0.75 lbs
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