Premium Cylinder Head Sealing Gasket for Performance Crossovers

This factory-spec head gasket sits between the engine block and the alloy head, sealing combustion, coolant, and oil passages. It keeps compression strong, fluids separate, and temperatures stable—so your ride pulls hard and runs clean every day .

Why it’s needed

A healthy cylinder head gasket locks in power, prevents coolant and oil mixing, and stops external leaks. It’s essential for smooth starts, steady idle, and correct operating temperature .

How it works

Built as an MLS (multi-layer steel) plate with fire rings and elastomer beads, it compresses under correct torque to conform to micro-surfaces. The coating fills tiny imperfections, sealing combustion pressure while routing oil and coolant reliably.

What happens if it’s damaged ⚠️

Expect overheating, white exhaust smoke, milky oil, coolant loss, misfires, and poor power. Continued driving can warp the head, wash bearings, foul the catalytic converter, and lead to a costly rebuild. Replace with OEM quality, follow torque sequence, and renew fluids for lasting reliability ♨️.

Compatibility

• QX70
• FX