Mercury Marine 500 EFI / 525EFI Harmonic Balancer – Internal Balance #4004


Special Order Only – Call for Ordering Info.

This SFI 18.1 Approved Balancer is designed specifically for High Performance Mercury Marine 500 EFI / 525 EFI Sterndrive engines. It features an all aluminum anodized 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.

  • Outer Diameter: 7″
  • Weight: 8.2 lbs
  • For Internally Balanced Applications
  • Anodized for corrosion protection in fresh water and salt water applications.
  • Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.

Out of stock

SKU: 4004 Category: