SKU: SKU: CGSC15739-071
The Cometic GM LS Gen-3/4 SB V8 .071in DST Cyl. Head Gasket - 3.940in Bore - 1/2in Studs - C15739-071 is a precision-engineered head gasket with a 3.940" bore and .071" compressed thickness.
The Cometic Dynamic Seal Technology (DST) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring Dynamic Seal Technology (DST) construction, this gasket uses a proprietary multi-layer design with an elastomeric sealing bead that provides consistent clamp load retention. Precision CNC-machined to exacting tolerances, this gasket seals combustion, water jackets, and oil passages simultaneously — eliminating the need for multiple gaskets or sealing compounds.
Verified fitment: Buick LaCrosse (2008–2009); Buick Rainier (2004–2007); Cadillac CTS (2004–2005); Cadillac Escalade (2002–2005); Chevrolet Avalanche (2007–2013); Chevrolet Avalanche 1500 (2002–2006); Chevrolet Camaro (1998–2002); Chevrolet Colorado (2009–2012); and 26 more.