2022 ARP Catalog

108 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. s l California Residents WARNING: Cancer www.P65Warnings.ca.gov. As the crankshaft flexes and twists, the harmonic damper absorbs incredible amounts of ki- netic energy. To ensure that the damper is locked in position, ARP has developed these ultra strong 190,000 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 that accepts a deep socket and eliminates the worry of stripping the head. Harmonic Damper Bolt Kits Application UHL Thread Size Socket Size Part No. BUICK All V6 & V8 1 300 3/4-16 13/16 120-2501 l CHEVROLET Small block 2 470 7/16-20 5/8 134-2501 l Small block 2 470 7/16-20 13/16 234-2501 l Small block 2 470 7/16-20 1-1/16 234-2502 l Gen III/IV LS Series small block (except LS7) 4 325 M16 x 2 0 1-1/16 234-2503 l Gen IV 7 0L (LS7) & GEN V 6 2L (LT1) small block 5 185 M16 x 2 0 1-1/16 234-2504 l CHEVROLET Big block 1 550 1/2-20 5/8 135-2501 l Big block 1 550 1/2-20 13/16 235-2501 l Big block 1 550 1/2-20 1-1/16 235-2502 l ENGINE COMPONENTS

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