4age Dual Row Crank Pulley

NZD$650.00 ex TAX

In Stock



Ross Metal Jacket 4age Race Harmonic Balancer Dual Row

Specifically tuned to suit all 4age/7age/9age engines
Dampen out those nasty harmonics induced from revving these engines hard.
A must have upgrade for extra assurance on your bottom end rotating parts.


  • Rated for 500hp+
  • Maintains OEM pulley diameters, locations and profiles
  • Suitable for high-performance street applications
  • Designed and manufactured in-house using CMM, 3D modelling and state of the art CNC technology
  • Bonded using our proprietary Ross Tuffbond process incorporating anti-vibration, anti-tear natural rubber
  • Laser etched 360° timing marks
  • High-quality black finishes
  • Seamless integration with our trigger disc and dry sump drive adaptor
  • Utilises grade 10.9 or better hardware
  • Complies with SFI spec 18.1
  • FWD & RWD models available

Additional information

Weight3 kg


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