The JE Pro Seal head gasket for Ford Cosworth YB and related DOHC/SOHC applications fits a 92.5 mm bore with a 0.045 inch thickness to meet specific sealing requirements. Offered as a direct-fit replacement, it is intended for Cosworth YB family engine rebuilds and repairs where matching bore and gasket thickness are necessary. Reference C4218-045 to verify compatibility.
JE Pro Seal Ford Cosworth DOHC YB/ SOHC OHC/NEP 92.5mm 0.045in Headgasket (ref C4218-045)