ARP Chevrolet Big block-20 5/8 – Harmonic Balancer Bolt, 12-Point Black Oxide AR135-2501 Product:fits BB Chev 1/2-20 Thread x 1.550" UHL, 5/8" Socket along with suitable gauge wire

along with suitable gauge wire and fuse/circuit breaker

65) - step rimSTANDARD COLORS:Black (matte/gloss)

Part Number: AR134-5002

Part Number: AF2851-1365

when pressures rise it creates an unsafe tune condition which can lead to pre-detonation

ARP Chevrolet Big block-20 5/8 – Harmonic Balancer Bolt, 12-Point Black Oxide AR135-2501 Product:fits BB Chev 1/2-20 Thread x 1.550" UHL, 5/8" Socket along with suitable gauge wireHarmonic Balancer Bolt, 12 Point Black Oxidefits BB Chev 1 2 20 Thread x 1. 550" UHL, 5 8" Socket Brand: ARP Part Number: AR135 2501 Description: As The Crankshaft Flexes And Twists, The Balancer Absorbs Incredible Amounts Of Kinetic Energy. To Ensure That The Balancer Is Locked In Position Arp Has Developed These Ultra Strong 200,000 Psi Bolts That Let You Exert Maximum Clamping Force. Special Features Include 1 4 Thick, Wide Area Washer And An Extra