Mercury Marine 700 SCi 7 inch Harmonic Balancer - External Balance

Mercury Marine 700 SCi Harmonic Balancer
External Balance

Part# 4000
Only $625.00
Externally Balanced Harmonic Balancer for High Performance 700 SCi Mercury Marine Sterndrive Engines with SFI 18.1 Rating for the highest quality. The Balancer features an all anodized aluminum case design for light weight, stress-proof steel hub and 1040 steel inertia rings for durability. Wet clutch friction design style with precision machined harmonic dampening for street and race engines.


  • Dual Keyway Option - Add $20.00
    Add dual keyways for Supercharged or Extreme Duty Applications. Requires double keyed crankshaft snout.


  • Outer Diameter: 7"
  • Weight: 9.7 lbs
  • Anodized for corrosion protection in fresh water and salt water applications.
  • For External Balance Applications Only.
  • Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.