13B-REW (FD3S) GReddy aluminum pulley kit

By reducing the weight of the pulley, the moment of inertia of the engine rotation axis is reduced, improving response. Blue alumite treatment made of duralumin (A2017).
Compatible with genuine belts and GReddy Extreme Timing Belts

MAZDA RX-7 FD3S 12/91 - 8/02
13B-REW GReddy Aluminum Pulley Kit 13542101
Water Pump Pulley, alternator pulley & Dedicated belt (13542101B)