ARP GM Duramax 6.6L Harmonic Balancer Bolt Kit 129-2503

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.For Duramax 6.6L DieselUses 12-point socket.

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Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

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The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.