ARP

ARP Harmonic Balancer Bolt, Hex Head Black Oxide (AR135-2503)

fits BB Chev 1/2-20 Thread x 1.550" UHL With 1/2" Square Drive

SKU: AR135-2503

ARP

ARP Harmonic Balancer Bolt, 12-Point Black Oxide (AR135-2501)

fits BB Chev 1/2-20 Thread x 1.550" UHL, 5/8" Socket

SKU: AR135-2501

ARP

ARP Harmonic Balancer Bolt, Hex Head Black Oxide (AR134-2503)

fits SB Chev 7/16-20 Thread x 2.470" UHL With 1/2" Square Drive

SKU: AR134-2503

ARP

ARP Harmonic Balancer Bolt (AR102-2501)

fits Nissan RB26 6cyl, M18 x 1.50, 27mm Socket

SKU: AR102-2501