ARP

ARP – High-Strength Fasteners for Diesel Performance

ARP (Automotive Racing Products) is the gold standard in high-performance fasteners and head studs for diesel and race engines. Whether you're building a reliable tow rig or a high-horsepower monster, ARP studs are the go-to upgrade for holding your engine together under pressure.

Top-Selling ARP Products at CPP Diesel

• ARP Head Stud Kits – Prevent head gasket failure under boost and high combustion pressure
• ARP Main Stud Kits – Strengthen your bottom end for high-RPM and high-HP builds
• ARP Rod Bolts – Ensure maximum clamping force and engine longevity
• Installation Kits & Fastener Accessories – Tools and lubricants for perfect torque and reliability

Why Choose ARP?

• Made in the USA with premium-grade 8740 chromoly steel
• Proven in drag racing, sled pulling, and commercial diesel builds
• Replaces factory bolts that can stretch and fail under pressure
• Torque specs and install instructions included with every kit

Diesel Applications Covered

• Dodge Ram 5.9L & 6.7L Cummins (1989–2024)
• Chevy/GMC 6.6L Duramax (LB7, LLY, LBZ, LMM, LML, L5P)
• Ford Powerstroke 6.0L, 6.4L, and 6.7L

ARP Diesel FAQ

Q: Why should I upgrade to ARP head studs?
A: Factory head bolts are prone to stretching under boost. ARP head studs offer superior clamping force, preventing blown head gaskets and maintaining cylinder pressure.

Q: Are ARP fasteners reusable?
A: In most cases, yes. Unlike factory bolts, ARP studs can often be reused after inspection, saving you money on future upgrades or repairs.

Q: Do ARP kits come with installation lube?
A: Yes. Every ARP kit from CPP Diesel includes ARP Ultra-Torque fastener lubricant to ensure correct torque readings and installation.

Whether you're building a mild tow rig or a fully built race truck, ARP fasteners are an essential foundation. Shop the full ARP diesel lineup at CPP Diesel today and keep your engine locked down and ready to perform.