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BACK IN STOCK. Mopar LA 273 318 340 360 P5249320 premium upgrade gasket set and high flow lightened long style bolt. This bolt replaces the original style bolt that has an overall length of 3.38 inches and a shank length of 2.94 inches. Bolt head is a 7/8" hex. Bolt has 9% better flow, around 2 oz. lighter and is made of 4140 prehard steel, stronger than originals and tested to 100 ft. lbs of torque. Listing is for (1) bolt, (1) Felpro 70522 gasket, (1) AMS 1964 cork gasket and (1) AMS 1976 dead soft oversized copper gasket.
NOTE: There are two different length bolts for the adapters. There is a long and short style. If you have a cast iron housing, you will need a long style bolt. If you have an aluminum housing, it could take the long or short style bolts. ASK if you have any questions. Thanks.