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LS Head Gasket Kit with LS9 7-Layer MLS Gaskets FIT 1997-2007 Corvette Silverado Sierra 4.8L 5.3L 5.7L 6.0L Gen III V8, 4.100" Bore Replaces 12622033 (Head Bolts & Intake Gaskets Not Included) - 1 Set in Saudi Arabia LS Head Gasket Kit with LS9 7-Layer MLS Gaskets FIT 1997-2007 Corvette Silverado Sierra 4.8L 5.3L 5.7L 6.0L Gen III V8, 4.100" Bore Replaces 12622033 (Head Bolts & Intake Gaskets Not Included) - 1 Set in Saudi Arabia LS Head Gasket Kit with LS9 7-Layer MLS Gaskets FIT 1997-2007 Corvette Silverado Sierra 4.8L 5.3L 5.7L 6.0L Gen III V8, 4.100" Bore Replaces 12622033 (Head Bolts & Intake Gaskets Not Included) - 1 Set in Saudi Arabia LS Head Gasket Kit with LS9 7-Layer MLS Gaskets FIT 1997-2007 Corvette Silverado Sierra 4.8L 5.3L 5.7L 6.0L Gen III V8, 4.100" Bore Replaces 12622033 (Head Bolts & Intake Gaskets Not Included) - 1 Set in Saudi Arabia LS Head Gasket Kit with LS9 7-Layer MLS Gaskets FIT 1997-2007 Corvette Silverado Sierra 4.8L 5.3L 5.7L 6.0L Gen III V8, 4.100" Bore Replaces 12622033 (Head Bolts & Intake Gaskets Not Included) - 1 Set in Saudi Arabia LS Head Gasket Kit with LS9 7-Layer MLS Gaskets FIT 1997-2007 Corvette Silverado Sierra 4.8L 5.3L 5.7L 6.0L Gen III V8, 4.100" Bore Replaces 12622033 (Head Bolts & Intake Gaskets Not Included) - 1 Set in Saudi Arabia

LS Head Gasket Kit with LS9 7-Layer MLS Gaskets FIT 1997-2007 Corvette Silverado Sierra 4.8L 5.3L 5.7L 6.0L Gen III V8, 4.100" Bore Replaces 12622033 (Head Bolts & Intake Gaskets Not Included) - 1 Set

SAR 174
SAR 218
Brand
CUSTONEPARTS
Weight
2 kg
– 1 +

Special Features

  • Precise Fitment Protocol: FIT 1997-2007 Corvette / Camaro 5.7L LS1, FIT 1999-2007 Silverado Sierra Tahoe Yukon 4.8L 5.3L 6.0L, FIT 2002-2007 Escalade 6.0L. Engine Architecture: GM Gen III LS-Series (V8). Non-Compatibility Notice: This set does NOT include Intake Manifold Gaskets or Head Bolts.
  • LS9-Spec 7-Layer MLS Engineering: Features two premium 7-layer Multi-Layer Steel (MLS) head gaskets with a physical 4.100-inch bore diameter. The 7-layer stainless steel fire rings are engineered to maintain a constant physical clamp load on cylinder heads, supporting stable thermal geometry under increased combustion pressure.
  • Integrated Engine Sealing Hardware: Package includes a Gen III valley cover gasket, oil pan gasket, water pump gaskets, and front/rear timing cover gaskets. The set also provides a rear main seal, knock sensor grommets, and a molded silicone crankshaft damper seal to ensure precise physical interface with factory mounting points.
  • Viton Material Integrity: Includes specialized Viton valve stem seals engineered for a physical temperature resistance range of -40°C to 200°C (-40°F to 392°F). These components maintain chemical and thermal stability during high-RPM operational cycles, ensuring a consistent physical barrier for the internal valve train.
  • Restoration of System Geometry: Designed to address internal fluid resistance and maintain proper cylinder head alignment. This kit restores factory handling characteristics by providing a reinforced physical seal, maintaining the integrity of the combustion chamber geometry for high-mileage or high-compression Gen III engine platforms.

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