Aluminum Racing Pulley Kit RB26DETT (BCNR33/BNR34)

Part #: 13522113

Racing Version has larger-than-OEM-diameter water pump, power steering, and (Mitsubishi) alternator pulleys (to reduce parasitic drag and prevent over-spinning at high RPM). The kit also includes two new, properly sized accessory belts for the application (fan 4PK910 & P/S 4PK985) and a new P/S lock nut.

Nissan Skyline GT-R BCNR33 1/95 - 8/98
RB26DETT GReddy Aluminum Pulley Kit 13522113
Larger-diameter water pump pulley, larger-diameter power steering pump pulley, larger-diameter alternator pulley (for Mitsubishi alternator)

Nissan Skyline GT-R BNR34 1/99 - 8/02
RB26DETT GReddy Aluminum Pulley Kit 13522113
Larger-diameter water pump pulley, larger-diameter power steering pump pulley, larger-diameter alternator pulley (for Mitsubishi alternator)

By reducing the weight of the pulley, the moment of inertia of the engine's rotation axis is reduced, improving response. Made of duralumin (A2017) with a blue alumite finish.
Compatible with genuine belts and GReddy Extreme Timing Belts.

Also see the standard OEM-sized lightweight R33/R34 Pulley Kit, p/n 13522111