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 TD04 Actuator (4M40T) Billet (adjustable)
BC Camshafts B16a B18c stage 2 / 2+ / 3
RAGE exhaust system - Ford Falcon BA BF XR6 turbo
Toyota 4EFTE Starlet manifold and dump pipe set (suit TD04/TD05 turbo)
BC Camshafts 7MGTE stage 2 / 3 