32 kits found for Harmonic Damper Bolts

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 that accepts a deep socket and eliminates the worry of stripping the head.

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Ford Godzilla 7.3L ARP2000 12pt
258-2501




Buick V6 & V8
UHL1.300˝
Thread Size3/4-16
washer includedYes
120-2501




Chevrolet Duramax 6.6L
200-8793




Chevrolet Big Block
UHL1.550˝
Thread Size1/2-20
washer includedYes
135-2501




Chevrolet Big Block
UHL1.550˝
Thread Size1/2-20
washer includedYes
235-2501




Chevrolet Big Block
UHL1.550˝
Thread Size1/2-20
washer includedYes
235-2502




GM Duramax 6.6L
129-2503




Chevrolet LS Gen III/IV (except LS7), 8740, 12pt
UHL4.325˝
Thread SizeM16 x 2.00
washer includedYes
234-2503




Chevrolet LS Gen IV 7.0L (LS7) & Gen V 6.2L (LT1)
UHL5.225˝
Thread SizeM16 x 2.0
washer includedYes
234-2504




Chevrolet Small Block
UHL2.470˝
Thread Size7/16-20
washer includedYes
134-2501




Chevrolet Small Block
UHL2.470˝
Thread Size7/16-20
washer includedYes
234-2501




Chevrolet Small Block
UHL2.470˝
Thread Size7/16-20
washer includedYes
234-2502




Chrysler 318-440 Wedge with thick damper and Viper V10
UHL2.200˝
Thread Size3/4-16
washer includedYes
240-2501




Cummins 5.9L 12/24V Diesel
147-2502




Cummins 6.7L 12/24V Diesel
147-2503




Dodge 5.7, 6.1L, 6.4L Hemi
UHL4.000˝
Thread SizeM14 x 1.50
washer includedYes
147-2501




Dodge SRT-10
147-2504




Dodge Hellcat/Demon
147-2803




Ford Small Block 289-460 (except 351C)
UHL2.050˝
Thread Size5/8-18
washer includedYes
150-2501




Ford Small Block 351C
UHL1.800˝
Thread Size5/8-18
washer includedYes
154-2501




Ford Modular 4.6L, 12pt
UHL1.800˝
Thread SizeM12 x 1.50
washer includedYes
156-2501




Ford Duratech 1.8 & 2.0L
UHL1.735˝
Thread SizeM14 x 1.50
washer includedYes
251-2501




Ford Coyote 5.0L
UHL4.200˝
Thread SizeM12 x 1.50
washer includedYes
156-2502




Ford 6.7L Diesel
150-2504

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