7.75" Mod Motor Harmonic Damper
8 Rib 18% Overdrive

Part# 805
Only $475.00
SFI 18.1 Harmonic Damper for 2V, 3V, 4V Mustang GT & Cobra with 8 Rib drive & 18% Overdrive Pulley.
The "Mod Motor" damper are designed to fit 4.6L 2V, 3V and 4V engines as well as 5.4L 2V engines.


  • Dual Keyway Option - Add $20.00
  • Super Duty Hub Option - Add $15.00
    The super duty hub has increased material for supercharged applications.This increased material helps to protect the hub from cracking in high load applications. The super duty hub is recommended for supercharged applications making over 750 rwhp. Includes matching timing cover oil seal.


  • Diameter: 7.75"
  • Weight: 8.4 lbs
  • Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.