ross performance harmonic damper, nissan rb, nissan rb25 r33, metal jacket, 12t, each

Ross Performance Parts Nissan RB25 R33 Metal Jacket Harmonic Damper with Integrated 12 Tooth Crank Trigger Disc:



High-performance OEM replacement Metal Jacket Harmonic Damper

Rated for 800hp

Integrated 12 Tooth Trigger

Maintains OEM alternator/water pump and air-conditioner pulley diameters, locations and profiles

Suitable for high-performance street applications and occasional track use

Key Features:

• Integrated Crank Trigger, 12T & 36T (please contact us for custom profiles)


• Seamless integration with the Ross Performance Parts Dry Sump Drive Adaptor


• Trigger profiles cut using micron accurate EDM wire cutting technology to ensure a clean signal for ignition timing 


• Assembly mass optimised for high performance applications


• Designed and manufactured in-house using CMM, 3D modeling 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


• Utilises grade 10.9 or better hardware


• Complies with SFI 18.1

Note: Race Series and Gold Series do not have provision for crank driven air conditioning. A/C Relocation Kit available.