Edelbrock Part # 8574 Intake Bolt kit is designed specifically for Ford 351M/400 Edelbrock manifolds. This bolt kit features 12-point heads for easy wrench access. Features include cadmium finished steel bolt and hardened washers.
Thread Type Coarse
Thread Diameter 0.312 in
Bolt Grade 5
Length 2.0 in
Sealant must be used on intake bolt threads if the threads extend into lifter valley or coolant passage.
Proper installation is the responsibility of the installer. Improper installation will void your warranty and may result in poor performance and engine or vehicle damage.