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

in conjunction with aftermarket I-beam rods

ARP’s special drive plate bolts have many important features

Special ARP Pro Series NASCAR type stud kits have one of the studs drilled to facilitate sealing the carburetor in the engine by race officials

Specialfeatures include 1/4

Precision rolled threads prevent galling while promoting more consistent torque loading

You won’t find abetter quality stud on the market from any other source

has been applied

NPT -6 thru -20 AN

Hardened parallel-ground washers are included with each kit

It is the most accurate wayto determine the correct pre-load in the rod bolt

All Pro Series head bolts have areduced wrenching hex or 12-point head and wide area flange to permit the use of larger diameter valve springs and eliminate theneed for valve train removal during cylinder head retorquing

heat-treating to 190