Harmonic Damper Bolt Kit for Ford 289-460 cid (except 351C)

Harmonic Damper Bolt Kit for Ford 289-460 cid (except 351C)As 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

Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading

The studs are sold in 4 or 5 packs and are cadmium plated for extra durability

A premium grade 8740 alloy chrome moly steel is used to manufacture ARP High Performance connecting rod bolts

This procedureinvolves about ten very slight cuts and results in an exceptionallystraight part

000 psi tensile strength material where noted

They’re designed to make it as easy as possible to install a pan and seal it properly

000 psi rating and theHigh Performance Series is rated at 180

ARP has developed these sophisticated and durable pushrods

Your choice of chrome moly steel or polished stainless (nominally rated at 180

All High Performance Series bolts are 180

000 psi and are able to easily handle the tremendous acceleration shock loads (shear) and lateral forces (elongation) found in racing