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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 no OEM equivalent to the Grade 7 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
GHPTO350G7 – Use for piston protrusions between 0.656 - 0.755mm
Gasket selection by Piston Protrusion for 1HZT / 1HDT
GHPTO350G7 - Use for piston protrusions between 0.726 - 0.825mm
We highly recommend using ARP2000 head stud kits with these gaskets – HSKTO340 (1/2”) or HSKTO340A (11mm)
Diesel Performance Parts
Designed in Australia - Made in the USA by COMETIC Gaskets.