Harmonic Balancer Bolt, 12-Point Black Oxide AR154-2501 Product:fits Ford 351 Cleveland & Holden 253-304-308 5/8-18 Thread x 1.800" U Premium Race Series Piston Ring

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Harmonic Balancer Bolt, 12-Point Black Oxide AR154-2501 Product:fits Ford 351 Cleveland & Holden 253-304-308 5/8-18 Thread x 1.800" U Premium Race Series Piston RingHarmonic Balancer Bolt, 12 Point Black Oxidefits Ford 351 Cleveland & Holden 253 304 308 5 8 18 Thread x 1. 800" UHL, 5 8" Socket AR154 2501 154 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