These light weight alloy CnC machined pullies will provide reduced rotating mass compared to the stock pulley and save you precious horsepower throughout the rev range. They also under-drive attached accessories. Suit 4G93 as found in the lancer GSR and Libero.

Aluminium wheel nut set (20pcs) 12x1.25P round
Hybrid GT2 spec intercooler kit - Mazda 3 MPS Gen 1
Lucas Octane Booster 444ml
BC Camshafts B16a B18c stage 2 / 2+ / 3 