Grommet type head gasket kit specialized for engine cooling, including exhaust / intake manifold and throttle gaskets.
By effectively cooling the cylinder head area with widened water passage holes, the product achieved to advance knock ignition limit.
Ensuring sealing by using the grommet type which has an advantage of preventing the gasket failing.
Great for higher horsepower & circuit racing.
HKS’ in-house testing showed that the temperature variation between cylinders was also reduced.
Even higher sealing effect can be obtained by using with separately sold high-strength head bolts such as ARP.
1.6mm gasket for surface grinding of cylinder head when the time of overhauls.