2025 ARP Catalog

133 WARNING: Cancer and Reproductive Harm - www P65Warnings ca gov s l California Residents WARNING: Cancer www P65Warnings ca gov CIRCLE TRACK L1 - Thread Length L2 - UHL L3 - Knurl Length Part No. FINE THREAD (THREAD: 5/8-18, KNURL DIAMETER: 0.660) 1600 2450 0500 300-7710 s 1700 2550 0600 300-7711 s 1750 2600 0650 300-7725 s 1800 2650 0700 300-7712 s 1850 2700 0750 300-7726 s 1900 2750 0675 300-7705 s 1950 2800 0850 300-7727 s 2000 2850 0900 300-7713 s 2050 2900 0825 300-7706 s 2100 2950 1000 300-7714 s 2150 3000 1050 300-7728 s 2200 3050 1100 300-7715 s 2250 3100 1150 300-7734 s 2300 3150 1200 300-7716 s 2350 3200 1250 300-7729 s 2400 3250 1200 300-7707 s 2450 3300 1350 300-7730 s 2500 3350 1400 300-7717 s 2550 3400 1350 300-7708 s 2600 3450 1500 300-7718 s L1 - Thread Length L2 - UHL L3 - Knurl Length Part No. 2650 3500 1550 300-7731 s 2700 3550 1600 300-7719 s 2750 3600 1550 300-7709 s 2800 3650 1700 300-7720 s 2850 3700 1750 300-7732 s 2900 3750 1800 300-7721 s 2950 3800 1850 300-7733 s 3000 3850 1900 300-7722 s 3100 3950 2000 300-7723 s 3200 4050 2100 300-7724 s COARSE THREAD (THREAD: 5/8-11, KNURL DIAMETER: 0.685) 1900 2650 0500 300-7806* s 1850 2650 0950 300-7803* s 3220 4031 0750 300-7804* s Because races can be won or lost in the pits, the engineers at ARP set about to create the ultimate oval track competition wheel stud that facilitates accurate wheel positioning and quicker release/tightening of lug nuts. They’re made from heat-treated 190,000 psi chrome moly steel and feature precision J-form threads (formed after heat-treat for improved fatigue strength), exclusive nut-starter and bullet shape radius that all but eliminates cross-threading, shot-peening, special baked-on dry film lubricant (reduces possibility of galling and assures consistent clamp loads), and double magnaflux inspection. The head design fits the registers of all popular hubs without grinding, and studs are available in 31 underhead lengths to provide you with the optimum thread engagement for your particular setup. The finest studs available! Speed Studs™ NOTE: All Speed Stud™ applications fit Stock Car Products and Speedway Engineering Hubs without grinding or modifications. NOTE: The products listed in this section have been designed to comply with NASCAR® rules No specific endorsement by NASCAR® is implied * These kits have black oxide finish Bullet- shaped nut-starter nose 190,000 PSI chrome moly Threads rolled after heat treat Baked-on dry film lubricant Precision J-form threads Available in 5-piece packs Custom sizes available Head fits all popular hubs

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