ARP 145-4008 BB Chrysler Cylinder Head Stead Kit Indy Max block

ARP 145-4008 BB Chrysler Cylinder Head Stead Kit Indy Max block 426 Hemi 7/16

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ARP Cylinder Head Stud Kits are heat-treated prior to thread rolling and machining and are rated at a whopping 200,000 psi for the 8740 material and 220,000 psi for ARP2000. They are available with 12-point nuts, and come packaged with hardened parallel washers for an even load distribution and accurate torque readings.

ARP, short for Automotive Racing Product, has been a leading player in the automotive industry since its creation in 1968 by Gary Holzapfel. Since then, ARP has continued to improve the manufacturing process and makes sure to meet nothing but the highest quality standards. ARP ensures the quality of each product and is proud of its "zero defects" quality. All aspects of the manufacturing process and operations are performed in-house and strictly monitored.