Harmonic Balancer Bolt, Hex Head Black Oxide AR135-2503 Product:fits BB Chev 1/2-20 Thread x 1.550" UHL With 1/2" Square Drive AF969-05-06

AF969-05-06

GM LSA O2 Extension Harness

Soft copper Accel spark plug washers allow racers to index or adjust spark plug ground electrode position for optimum flame front generation or maximum plug to piston clearance

AF907-12BLK

Harmonic Balancer Bolt, Hex Head Black Oxide AR135-2503 Product:fits BB Chev 1/2-20 Thread x 1.550" UHL With 1/2" Square Drive AF969-05-06Harmonic Balancer Bolt, Hex Head Black Oxidefits BB Chev 1 2 20 Thread x 1. 550" UHL With 1 2" Square Drive AR135 2503 135 2503 Arp Offers A Special Version O f Its Rugged Balancer 200,000 Psi Rated Balancer Bolt That C an Accept Standard 1 2 Drive R atchet Or Breaker Bar To Facil itate Rotation Of The Crank As sembly. * 1 2 Square Dr ive Forged Into Bolt Head, Ena bling The Rotation Of An Engin e With Any 1 2 Drive Tool < br>* Made From Heat treated