Fluidampr 720311: Harmonic Damper Mopar B/BR 383/426/440 & Hemi Big Block
Mopar Harmonic Dampers
Harmonic Damper Mopar B/BR 383/426/440 & Hemi Big Block Diameter 7-1/4" O.D. Bore Dia. (Min/Max): 1.5295/1.5305 Weight in lbs. (Rotating Weight): 11.9 lbs.(7.9 lbs.) Internal Balance 6-Bolt Evenly Spaced Pulley Bolt Pattern