Hardway PerformanceHardway Performance

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ENGINE PARTS

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  1. ARP DIESEL HEAD STUD KIT 250-4201

    ARP DIESEL HEAD STUD KIT 250-4201

    $619.72

    To overcome head gasket failures that can occur in diesel engines employed in truck and RV applications, industry leader ARP has introduced extra heavy-duty head studs for the popular Ford, Dodge and GM powerplants. These ARP studs are rated at 220,000 psi tensile strength, and provide the clamping force required to keep cylinder heads from lifting due to higher combustion pressures. 

    The studs are manufactured in ARP's Santa Paula, CA plant from proprietary ARP 2000 material, with threads rolled after heat-treat to provide optimum fatigue strength. They are centerless ground to assure perfect concentricity. The ends of the studs are broached to facilitate easy installation. This feature also enables the cylinder head to be removed in tight quarters. Also included in each kit are heat-treated, chrome-moly steel 12-point nuts and parallel-ground washers. They are black oxide finished for extra durability.

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  2. ARP DIESEL MAIN STUD KIT 250-5801

    ARP DIESEL MAIN STUD KIT 250-5801

    $326.23

    ARP DIESEL MAIN STUD KIT 250-5801 Learn More
  3. ARP 250-6303 ROD BOLT KIT

    ARP 250-6303 ROD BOLT KIT

    $193.18

    The ARP 250-6303 Rod Bolt Kit increases strength in the bottom end of your 1994-2000 Ford 7.3L Powerstroke. These rod bolts are rated at 220,000 PSI tensile strength. Built from ARP2000 material that has considerably better fatigue life and the bolts are reusable compared to the OEM Torque To Yield (TTY) rod bolts which must be replaced after each use. Optimimum design, enhanced reliability and increased strength are the main attributes of ARP's Pro Series Connecting Rod Bolts. 

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