ARP Head Bolts are engineered to deliver outstanding reliability and performance in both high-performance road and motorsport applications. Manufactured in the USA to the exacting quality standards of Automotive Racing Products, they are produced from high-strength materials including 8740 Chromoly, ARP2000®, L19® and Custom Age 625+®, each selected to meet the specific requirements of the intended application.
Every bolt is manufactured using rigorous production processes, including dedicated heat treatment and thread rolling after heat treatment, a process employed by ARP to improve fatigue strength and ensure consistent mechanical properties.
The ARP Head Bolts range covers a wide selection of European, Japanese and American engines, with dedicated applications for most major vehicle manufacturers, including BMW, Audi, Volkswagen, Mercedes-Benz, Porsche, Ford, Chevrolet, Honda, Toyota, Nissan, Subaru, Mitsubishi and Mazda. A trusted choice for engine builders and motorsport professionals seeking genuine ARP components for high-performance engines.
For instructions & torque values for ARP kits see page: http://arpinstructions.com
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![FORD 351 \](/admin/public/foto/2026/07/15/113517/254-3711_-_bulloni_testata_ARP_-_Ford_1784108117.jpg "FORD 351 \")
![JEEP 232/258 w/4.0L head, 7/16\](/admin/public/foto/2026/07/15/114755/146-3603_-_bulloni_testata_ARP_-_Ford_1784108875.jpg "JEEP 232/258 w/4.0L head, 7/16\")
![FORD 351 \](/admin/public/articolo/507311918a77c442787502de2a606372/thumb999_254-3711_-_bulloni_testata_ARP_-_Ford_1784108117_1784108119.jpg "FORD 351 \")
![JEEP 232/258 w/4.0L head, 7/16\](/admin/public/articolo/d71e2a2744339e5ee9ce4accf8254b42/thumb999_146-3603_-_bulloni_testata_ARP_-_Ford_1784108875_1784108877.jpg "JEEP 232/258 w/4.0L head, 7/16\")
