Cylinder Head Bolt Kit for Chrysler 383-400-413-426-440 Wedge with factory heads or Edelbrock RPM he

Cylinder Head Bolt Kit for Chrysler 383-400-413-426-440 Wedge with factory heads or Edelbrock RPM heHigh 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

ARP Pro Series head bolt kits are application specific and designed to deliversuperior strength typically associated with competition engines

They have a tensile strength of 190

Increased material strength overcomes valve train harmonics and stress

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

which is substantially stronger than the OEM bolts

The less drag on the motor

Studs are preferred by many Pro engine builders because they eliminate the chance of pinching gaskets and contribute to easier engine assembly

ARP has developed these sophisticated and durable pushrods

You also can choose between standard hex head bolts or compact 12-point fasteners

The popular High Performance Series is rated at 180

threadpitch to thread pitch

ARP offers studs and bolts in a choice of chrome moly steel with a black oxide finish or polished ARP Stainless