Evo 10 - Cometic - 4B11 90mm Head Gasket 0.52"

Cometic 4B11 MLS Head Gasket, 90mm Bore, 0.52". Evo X

Thickness is also how an engine builder controls the gap between the piston crown and the cylinder head at the top of the stroke. Aftermarket pistons seldom sit at exactly the same deck height as the originals, so the gasket becomes the adjustment that keeps that clearance safe while still holding a sensible compression ratio. This is the thickest option Cometic list in the 90mm bore for the 4B11.

• Cometic multi-layer steel build
• Bore: 90mm
• Listed thickness: 0.52", the thickest in this bore size

Fits:

• Mitsubishi Lancer Evolution X (CZ4A, 2008–2015)

Cometic part #C4484-052. Available to order; shipping shown at checkout.