4agze Boost Up Pulley Harmonic 170mm

NZD$885.00 ex TAX


MRP Ross 4agze 170mm boost upgrade pulley

  • 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

Whats different about this to others?
Its been specifically tuned and designed to soak up the harmonics of the engine just like an oem pulley
Reduces engine bearing wear
There is a reason why from factory they use harmonic dampened crank pulleys

All engines we build run a harmonic dampened pulley. We would not run a solid pulley that a lot of companies sell on the market which of course are cheap to manufacture and will eventually cause harm to your engine in the long run.

The kit consists of a custom idler pulley and belt

This will allow approx 13psi of boost on your sc12 4agze engine depending on condition

Additional information

Weight 4 kg


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