ATI Harmonic Dampers are direct replacement of the OEM unit. These units are built for high horse power vehicles available in D, B and K Series engines. 

D - Series

 ATI Performance Products has developed Super Dampers for the Honda D-series for racing applications. The D-Series Super Damper (Part # 918456) comes with 360° laser-etched timing marks and features a 4-rib 5.5" serpentine belt drive behind the outer shell to to run the alternator. All D-series Super Dampers exceed SFI 18.1 Safety Certification and are approved for NHRA & IHRA competition.

B - Series

ATI has designed a 5.5” damper -- Part # 918476 -- for the Honda B-Series for high horsepower street use. This new design is a direct replacement for the stock OEM Acura Integra B18 and Honda CRV B20 damper. The heart of this unit is the tried and true “damper within a damper” design that has put ATI ahead of the rest. The outer shell has been machined with the necessary multigroove pulleys to utilize the factory serpentine belt set-ups.

K - Series

ATI Performance Products has developed Super Dampers for the Honda K-series engine for ‘02 Honda Civic Si & Acura RSX for both street and racing applications. The street version (Part # 918477) comes with 360° laser-etched timing marks and features a single serpentine belt drive on the outer shell to utilize the factory serpentine belt set-up. Race dampers allow for the mounting of a dry sump oiling drive gear to the front of the pulley. All K-series Super Dampers exceed SFI 18.1 Safety Certification and are approved for NHRA & IHRA competition.