XDP Harmonic Balancer Bolt 2001-2022 GM 6.6L Duramax Having old or damaged battery

Having old or damaged battery cables in your truck can lead to a variety of electrical issues that could leave you stranded

Stock HP and Flow

brake fluid

7L Diesel with the XDP Xtra Cool Direct-Fit Replacement Radiator XD294

XDP Harmonic Balancer Bolt 2001-2022 GM 6.6L Duramax Having old or damaged batteryThe XDP Harmonic Balancer Bolt XD628 is an excellent way to securely fasten the harmonic balancer on your Duramax. As the crankshaft flexes the harmonic balancer (also known as a damper) absorbs an incredible amount of energy to smooth out your engine. This bolt will ensure that your balancer is locked into position and features an extra tall 12 point head that accepts a deep socket. This eliminates any worry of stripping the head when torquing to