Cylinder Head Bolt Kit for Chevrolet 348, 409, Cast iron OEM

Cylinder Head Bolt Kit for Chevrolet 348, 409, Cast iron OEMHigh Performance head bolts are available with a reduced wrenching hex or 12 point and wide area flanged head that eliminates theneed for valve train removal to facilitate cylinder head retorquing. All High Performance Series bolts are 180,000 psi (which is 15%stronger than Grade 8) and kits come complete with hardened parallel ground washers. Material: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

They have a tensile strength of 190

ARP’s Oil Pump Primer Kit lets you spin the oil pump with a drill motor and bring up the oil pressure prior to starting the engine

square drive forged into bolt head

000 psi tensile strength material where noted

Nuts not included

Look forARP stamped on each stud as your assurance of quality

originally developed for NASCAR competition

They’re made from 8740 chrome moly steel

ARP has developed special pressure plate bolts that are applicationspecific to ensure the optimum grip length

Not to be used with OEM-style

It costs a lot more to do it this way

Prevent intake manifold leaks with ARP’s quality fasteners