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.

Kinugawa Japan TD04-15T 4cm 5-bolt 4D56T Pajero upgrade
BC Camshafts B18a B18b stage 2 / 2+ / 3 