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Special Order Only - Contact us to order this gasket
Engine Australia has worked with Cometic Gaskets to develop these Performance head gaskets.
There is a High Performance Grade 5 head gasket. This gasket has been specially developed for engine builders with excessive piston protrusion or wanting to reduce cylinder pressures in high boost applications.
When used with the ARP2000 head studs there is more control of cylinder pressures by less head lift and better combustion chamber sealing.
Gasket selection by Piston Protrusion for 1HZ
GHPTO350G5 - Use for piston protrusions between 0.556 - 0.655mm
Gasket selection by Piston Protrusion for 1HZT / 1HDT
GHPTO350G5 - Use for piston protrusions between 0.626 - 0.725mm
Diesel Performance Parts
Designed in Australia - Made in the USA by COMETIC Gaskets.