ARP 144-4001 CHRYSLER S/B HEX HEAD STUD KITARP Pro Series cylinder head studs are cold forged to ensure molecular integrity. They're heat treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12 point nuts, and all studs come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship, these cylinder head fasteners can be ordered for virtually any style engine.

This engine is the ideal direct replacement for failed or worn 6

but that has just changed

these must have billet gears are available  for all Horsepower improved Ford Coyote V8 engines  ( Falcon & Mustang )

CNC Porting Benefits: When CNC porting factory OEM snouts

This media is best suited for street use

While cam phasers provide tremendous efficiency benefits

and offer better performance and reliability in high boost

VIN CODE "H"

it's too heavy to be passed on into the intake

BUT NOT SO COMMON AND OCCASIONAL STOCK RUNOUTS COULD CAUSE DELAYS ON SHIPPING ORDERS

The increase in spring rate is based on the upper limits of the vehicles factory shock valving

(BALANCING REQ)