ATI Nissan R32 RB26 Super Damper (750HP) Ignition Fitting: Y80 S80 S4C S21

Fitting: Y80 S80 S4C S21 Y21 (B16/B18C)

but in a common 52mm size for easy mounting

high compression and/or utilizing aftermarket competition cams

Fitting: H2U5 P2U5 P2A8

ATI Nissan R32 RB26 Super Damper (750HP) Ignition Fitting: Y80 S80 S4C S21Part # 918599 *Picture is for example* Designed and tuned to eliminate harmful crankshaft harmonics thatcause parasitic HP loss. Features Fits RB26 Engines from R32 chassis Dampens torsional crankshaft vibrations at all RPM levels Protects against engine harmonics 16% UD for power steering AC, water pump and alternator are all 6% UD Max 750 HP Laser etched timing marks SFI 18. 1 Certified for competition use Specs 5. 67" Aluminum Shell Steel Hub