The JE Pro Seal head gasket for Ford Cosworth DOHC YB and related heads fits a 93.5 mm bore with a 0.045 inch thickness, matching specified sealing dimensions for those applications. Intended as a direct-fit replacement, it supports accurate head-to-block sealing during rebuilds and repairs of Cosworth-family engines where this bore and thickness are required.
JE Pro Seal Ford Cosworth DOHC YB/ SOHC OHC/NEP 93.5mm 0.045in Headgasket