Cylinder Head Bolt Kit for Chevrolet Mark IV block with Edelbrock heads 60409, 60429, 60459, 60479,

Cylinder Head Bolt Kit for Chevrolet Mark IV block with Edelbrock heads 60409, 60429, 60459, 60479,High 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

Flywheel and Flexplate bolts play an important role in the performance and safety of race cars and street machines alike

ARP offers High Performance Series bolts that aremade from a premium grade chrome moly and hardened to a nominal tensile strength of 180

while the bolt kits come with washers

The importance of pressure plate bolts in a racing or hi-performance street application cannotbe emphasized nearly enough

Precision rolled threads prevent galling while promoting more consistent torque loading

You won’t find abetter quality stud on the market from any other source

Because ARP studs are manufactured to suchexacting tolerances

Your choice of chrome moly steel or polished stainless (nominally rated at 180

the shaft diameter is a larger diameter than the OEM unit

They are designed for each specific application and provide the optimum grip

because it’stough on tooling

They’re nominally rated at 180