GRP Engineering - 1JZ/2JZ Fire Ring Copper Head Gasket

GRP Engineering JZ Fire ring head gasket, Kit includes 1 x 0.047" Copper Head Gasket and 6 x 0.050" Phosphor Copper Fire Rings. (3 thou crush) or 6 x 0.053" Phosphor Copper Fire Rings. (6 thou crush) If you are serious about Boosting your JZ engine this is the No1 Head sealing solution for high boost applications. Machining of Block deck is required to receive fire ring groove, and this kit will suit standard 86mm bore size all the way up to 87mm oversize.