Austin Prock - Funny Car Doug Kalitta - Top Fuel

Erica Enders - Pro Stock

Build power with total confidence and rely on the proven performance of ARP heads studs ( or bolts ) to seal combustion chambers . Look for “ ARP ” stamped on a fastener as your assurance of 100 % quality !

Material purity : ARP uses only premium SDF and CHQ material — far superior to “ aerospace ” quality .

Material Strength : Five steel alloys are available , ranging from 8740 chrome moly rated at 200,000 psi tensile strength up to 280,000 psi rated alloys .

Heat Treating : All operations are done in-house and precisely computer-controlled to assure through-hardening to the desired strength .

Concentricity : ARP centerless grinds each stud to perfection , assuring that cylinder heads will literally “ drop ” into place — important for trackside efficiency .

Thread Rolling : Threads are rolled ( not cut ) after heat-treat to provide up to 20-times better fatigue life than commonly employed methods .

Thread Engagement : ARP adheres to the industry ’ s highest standard , AS8879D , to ensure optimum thread engagement . You can feel the difference !

Racer Support : A long-time NHRA Major Sponsor , ARP posts cash contingency awards ( head studs or bolts ) at all National events for all Sportsman categories .

Torque Wrench Testing : To ensure that proper preload is applied , ARP offers FREE torque wrench testing for competitors at all National events .

800-826-3045 www . arp-bolts . com

Download ARP ’ s new 2024 catalog for details on 5,000-plus fastener kits or request your free printed copy of this 180-page publication .