Harmonic Damper Bolt Kit for SB Chevrolet

Harmonic Damper Bolt Kit for SB ChevroletAs 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

while the compact head is easily accessed

The nuts feature a wide base for better load distribution and sealing

You will also note that ARP offers specially undercut studs forseveral engines

so that’s why ARP came up with these super tough bolts

Higher Performance Series: Made of 8740 chrome moly forgings and heat-treated to180

This prevents any unnecessary wear or damage to rotating

A hollow core serves to reduce the reciprocating mass

ARP has developed special pressure plate bolts that are applicationspecific to ensure the optimum grip length

It costs a lot more to do it this way

000 psi range

000 lbs clamping force

000 psi and High Performance Series that are rated at 180