Harmonic Balancer Bolt, 12-Point Black Oxide AR135-2501 Transmission & Driveline 15 and 20-gallon

15 and 20-gallon

Sold in pairs

They are compatible with all O

Suits all GM LS engines

Harmonic Balancer Bolt, 12-Point Black Oxide AR135-2501 Transmission & Driveline 15 and 20-gallonHarmonic Balancer Bolt, 12 Point Black Oxidefits BB Chev 1 2 20 Thread x 1. 550" UHL, 5 8" Socket AR135 2501 135 2501 As The Crankshaft Flexes And T wists, The Balancer Absorbs In credible Amounts Of Kinetic En ergy. To Ensure That The Balan cer Is Locked In Position Arp Has Developed These Ultra Stro ng 200,000 Psi Bolts That Let You Exert Maximum Clamping For ce. Special Features Include 1 4 Thick, Wide Area Washer And An Extra Tall 12 point Head T