Harmonic Damper Bolts for Chevrolet 6.6L Duramax

Harmonic Damper Bolts for Chevrolet 6.6L DuramaxAs 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

These ultra heavy-duty rod bolts are made from a special material designated ARP2000

As the crankshaft flexes and twists

as well as protecting the threads in your engine block

Premium quality 8740 and ARP2000® head stud kits are availablefor most domestic and import applications

Finish: Polished

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

marine and drag racing engines – including those with superchargers and/or nitrous oxide injection systems – ARP offers replacement rod bolts in three different models

all ARP main bolts feature a reduced renching head

Higher Performance Series: Made of 8740 chrome moly forgings and heat-treated to 180

Both are available in black oxide finished chrome moly steel or polished ARP Stainless

enabling the rotationof an engine with any 1/2

ARP offers studs and bolts in a choice of chrome moly steel with a black oxide finish or polished ARP Stainless