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Automotive Racing Products

ARP Head Studs & Fasteners for Powerstroke, Cummins, & Duramax diesels.


Top of the line trucks require the finest head studs and fasteners to maintain engine integrity, as well as extraordinary power and torque.  Pure Diesel Power carries Automotive Racing Products’ studs and fasteners for superior protection in racing and sled-pulling diesel trucks.  

Since 1968, Automotive Racing Products has constructed specialized studs and fasteners to stop engine breakage under high combustion pressures.  For racing and pulling enthusiasts constructing high horsepower and turbo boost modifications, unshakable studs are a must.  ARP eliminates the occurrence of fastener failure through superior design with the highest-quality metals.  After studying the causes of fastener failure in high-performance engines, ARP developed custom studs that provide greater clamping force and stand up to higher pressures.  ARP utilizes the highest-grade stainless steel and advanced, specialized alloys in all their components so they are built to endure incredible pressure over extended periods without corrosion or warping. 

Equip your truck with studs and fasteners tough enough for NASCAR.  Click for details on any studs or kits, or contact Pure Diesel Power for more information.

ARP makes some of the finest head studs & fasteners on the market for the Dodge 5.9L & 6.7L Cummins, Ford 7.3L, 6.0L, & 6.4L Powerstroke, & the GM 6.6L Duramax Diesels, including the New/Custom Age 625 studs.

ARP replacement rod bolts for 7.3L Powerstrokes with powered metal rods ONLY. Made from ARP2000 material which is much stronger and more resilient then...


ARP Valve Cover Bolt Kits are rated at 170,000 PSI tensile strength which is substantially stronger than grade 8 hardware. We offer them for all Duramax...

ARP Valve Cover Bolt Kits are rated at 170,000 PSI tensile strength which is substantially stronger than grade 8 hardware. We offer them for all Duramax...

This kit is a must have for any high performance Duramax! The ARP main stud kit keeps your mains from walking and fretting by clamping down on them....


Chevy/GM Duramax 6.6L, 8 pieces - Flywheel Bolt Kit Specifications UHL 1.600˝ Thread Size M16 x 1.5 Wrenching...


01-10 Chevy 6.6L Duramax Diesel ARP Custom Age 625+ Head Studs

With performance enthusiasts adding increasing amounts of turbo boost to diesel applications,
ARP® has provided an extra measure of security in the form of extra-strong head
studs manufactured from the firm's proprietary Custom Age 625+® material that has a
minimum rating of 260,000 psi tensile strength. They are engineered to provide the clamping
force required to keep cylinder heads from lifting due to exceptionally high combustion

ARP® also offers head stud kits made from ARP2000 (220,000 psi minimum) for the
Dodge/Cummins plus Chevy DuraMax diesel, Ford 7.3L PowerStroke diesel, and 6.0L PowerStroke.
The stud kits include heat-treated chrome moly steel nuts (12-point) and parallelground

The studs are manufactured in ARP’s Santa Paula, CA plant, with threads rolled after heattreat
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.


01-10 Chevy 6.6L Duramax Diesel ARP Head Studs ARP 01-10 Duramax Head Stud Kit 230-4201 To overcome head gasket failures that can occur...


This kit is manufactured using ARP2000. Which is an alloy steel that can be safely heat treated to a higher level, producing a greater strength material...


Chevy/GM Duramax 6.6L, 8 pieces - Flexplate Bolt Kit Specifications UHL 1.775˝ Thread Size M16 x 1.5 Wrenching...


From Pure Diesel Power we offer the GM Duramax 6.6L ARP Harmonic Balancer Bolt Kit As the crankshaft flexes and twists, the balancer absorbs incredible...


ARP, the world leader in fastener technology, introduces the Custom Age 625+ head stud kit for 2003-2007 Ford 6.0L Powerstroke.  With inner row M8...


The world leader in fastener technology has just released a new High Performance Series head bolt kit for 2003-2007 Ford 6.0L Powerstroke diesel...