REAL-WORLD DIESEL COMPETITION

Increasing the boost that is fed into your truck engine is great for horsepower, but it places additional stress on stock pieces that were not designed to take them. Such is the case with the main bolts. Thankfully ARP produces cylinder Main Stud Kits that are designed for the real-world of diesel competition.

THREAD-ROLLED TO Mil-S-8879 SPECIFICATIONS

These studs are thread-rolled to Mil-S-8879 specifications for increased strength and precision centerless ground for accuracy. Each kit comes with hardened parallel washers, and nuts for uniform load distribution and accurate torque readings.