Premium Multi-Layer Steel Construction for superior heat resistance and long-lasting durability under extreme engine conditions

Precision CNC Machining ensures perfect fitment for Chevrolet/GMC 4.3L engines (Blazer/S10/Jimmy models) with 0.02mm tolerance

High-torque sealing technology prevents oil/coolant leaks even with frequent thermal cycling (260°C rated)

Viton rubber coating on critical edges enhances compression while preventing material fatigue

Direct replacement OEM# 125223620 with upgraded composite materials for better performance than factory gaskets

Multi-application compatibility: works for gasoline engines in pickup trucks, SUVs and marine applications

Laser-etched alignment marks simplify installation for professional mechanics and DIY enthusiasts

Pressure-tested to withstand 300psi cylinder pressure - ideal for turbocharged or high-performance builds