Ross Performance - RB Harmonic Damper RB30 Owners please read! Holden VL RB30 will use the 306210 as they use a V-belt for air con. Nissan R31 RB30 will use the RB25 R33 Damper 306201 Metal Jacket: High-performance OEM replacement. Rated for 800hp. Maintains OEM alternator/water pump and air-conditioner pulley diameters, locations and profiles. Race Series: Designed for a race application. Rated for 1,000hp. The water pump & Alternator pulley's under-driven for protection at high rpm. Gold Series: Top tier harmonic damping. Rated for 1,000+hp. Ultra high-performance crank hub. The water pump & Alternator pulley's under-driven for protection at high rpm. The Ross Performance Parts Harmonic Damper puts performance at the forefront, providing a fully resolved solution for high performance engines. Ignition timing and triggering have long been a key concern for the Nissan RB engine. To provide the best possible solution all Ross Performance Parts Nissan RB Harmonic Dampers now come standard with an Integrated Crank Trigger. Integrated Crank Trigger, 12T & 36T (please contact us for custom profiles). Seamless integration with the Ross Performance Parts Dry Sump Drive Adapter. Trigger profiles are 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 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. 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.
