Stock Size Light Weight factory belt layout 12-13 Scion FR-S Crank, Alternator, Water pump pulleys (Blue Color)
Stock Size Light Weight factory belt layout 12-13 Subaru BRZ Crank, Alternator, Water pump pulleys (Blue Color)
Ralco RZ pulleys are designed with a unique blend of performance and reliability. They are made from the highest quality 6061 aluminum billet. Ralco RZ pulley conversions are proven to produce maximum power gains with the performance benefits of weight reduction, which you wouldn?t receive from factory parts. Throttle response, horsepower and torque are all increased with this great product.