Skip to Content

Big Block Mopar 7" Super Duty Harmonic Damper

Part #: 307
425.50 575.00

  • Crank Trigger Magnets
  • Keyway Options - Standard Single Keyway
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days

Description


This Big Block Mopar Harmonic Balancer exceeds SFI 18.1 ratings and is designed specifically for High Performance Chryslers.

This damper provides a stock bolt pattern, but has been upgraded with 3/8" diameter pulley bolt holes for power adder usage. Due to damper design, will not align with OEM pulleys. The 4-Magnet cover will fit passenger side only.



  • 6 Bolt, 3/8" Diameter stock Pulley Pattern

  • Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.

Technical Details


Outer Diameter 7"
Weight 8.2 lbs