1 results for headers for 400 big block found in 0.000 seconds

· bolts made from grade 5 steel for strength and durability · kit ... hex nuts to connect exhaust system to headers securely · stover lock nuts eliminate ... · designed and engineered specially for professional race cars and pro street ... hex flange nuts are ideal are ideal for use where space is minimal and helps ... maintain clamp-load for uniform gasket seal · studs are black ... socket head · designed and engineered for small tube headers with adequate ... hex flange nuts are ideal are ideal for use where space is minimal and helps ... maintain clamp-load for uniform gasket seal · studs are black ... and durability · designed to compensate for thread length lost when using head bolt ... professional appearance chevrolet 265-400 small block 17 bolts/for one head 940g ...