Harmonic Balancer Bolt, 12-Point Black Oxide fits SB/BB Ford 289-460 5/8-18 Thread x 2.050" UHL (Not Cleveland), 5/8" Socket Category_ENGINE TOOLS Fits 9" Ford rear axle

Fits 9" Ford rear axle housings

Molybdenum & detergents

even in higher temperatures

AF2251-1331

1/2-13" thread into Engine

Harmonic Balancer Bolt, 12-Point Black Oxide fits SB/BB Ford 289-460 5/8-18 Thread x 2.050" UHL (Not Cleveland), 5/8" Socket Category_ENGINE TOOLS Fits 9" Ford rear axleHarmonic Balancer Bolt, 12 Point Black Oxide fits SB BB Ford 289 460 5 8 18 Thread x 2. 050" UHL (Not Cleveland), 5 8" Socket 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 Tall 12 point Head