ARP ’ s engineering team has tested and evaluated every critical fastener employed in most domestic and import engines manufactured from the 1950s to date and developed high performance replacements for them . This includes all late model engines with TTY ( Torque To Yield ) bolts which have been yielded by design and should never be re-used .

Simply stated , ARP fasteners provide increased clamping force and improved durability . They ’ re proven in competition by leading race teams the world over . ARP ’ s polished stainless steel and black oxide finished 8740 chrome moly fasteners add a distinctive finishing touch . Bottom line , your customers recognize the value of using ARP fasteners in any build . n Only premium grade materials are used — far superior to “ aircraft ” quality

n In-house computer-controlled heat-treating ensues optimum through-hardening

n Threads are rolled after heat-treat to provide up to 10-times better fatigue life . n Made to SAE AS8879D specifications to ensure optimum thread engagement

n Stringent quality control measures ensure your 100 % satisfaction

n ARP is an NHRA Major Sponsor posting for head studs / bolts in Sportsman categorie

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

180-page printed 2022 catalog sent upon request