Edelbrock part #8528 Intake Bolt kit is designed specifically for Chrysler late model HEMI Edelbrock manifolds. This bolt kit features reduced hex heads for easy wrench access. Features include cadmium finished steel bolt and hardened washers. Product Features:For Chrysler 5.7 & 6.1L Late Model HEMI EnginesCoarse Thread Type5 Bolt Grade0.236 in. Thread DiameterSteel Material