ATI dampers are assembled with T-40 Plus countersunk bolts for the strongest possible mechanical connection of the steel assembly to the crankshaft hub. ATI T-40 Plus Torx bits must be used instead of regular Torx bits for easier removal of the T-40 countersunk bolts.

More From This Category

Pro Race Harmonic Damper/Balance, Pro-Sport, External Balance Chevrolet BB V8 454-502 Externally Balanced, Each

Pro Race Harmonic Damper/Balance, Pro-Sport, External Balance Chevrolet BB V8 454-502 Externally Balanced, Each

$351.31