Harmonic Damper Bolt Kit for Chevrolet Big Block

Harmonic Damper Bolt Kit for Chevrolet Big BlockAs the crankshaft flexes and twists, the harmonic damper absorbs incredible amounts of kinetic energy. To ensure that the damperis locked in position, ARP has developed these ultra strong 190,000 psi bolts that let you exert maximum clamping force. Specialfeatures include 1 4? thick, wide area washer and an extra tall 12 point head that accepts a deep socket and eliminates the worry ofstripping the head. Material: 8740 Chrome Moly Finish: Black

You can choose between black oxide finished 8740 chrome moly or corrosion-resistant stainless steel

They feature a special billet aluminum sleeve that accurately positions the shaft and keeps it from wobbling

To be used with ARP’s patented Perma-Loc™ adjusters

ARP has introduced a line of premium quality weld-in bungs

000 psi tensile strength material where noted

The parts are CNC machined from solid aluminum billet (6061) or 1018 mild steel

Measure the fastener prior to starting

It has approximately 200% the fatigue life of 8740 chrome moly steel and has a tensile strength of 220

Simply stated

Finish 2: Polished

increments

Build up an inventory of these premium quality washers so you won’t get caught short when the need arises