ENGINE COMPATIBILITY: Specifically designed for LS series engines, including LS1, LS2, LS3, LS6, LSX, and newer LT models. These thread bolts ensure a proper fit for manifold-to-cylinder head mounting
ALLOY STEEL: Manufactured from steel to handle the stress environment of engine exhaust systems. This material maintains structural integrity under fluctuating thermal conditions
DACROMET COATING FINISH: Each bolt features a specialized Dacromet surface treatment. This layer against heat and environmental exposure
FLANGED HEX HEAD DESIGN: The integrated flange head distributes pressure evenly across the manifold surface, eliminating the need for separate washers and simplifying the installation process in tight engine bays
COMPLETE REPLACEMENT SET: This 12-piece hardware kit provides a full set of fasteners for one pair of headers or manifolds, standard maintenance or performance upgrades