GSR 4G91 / 4G92 / 4G93
– Ktuned Adjustable Cam Pulley. Ktuned Adjustable Cam Pulley is made by 6061-T6 billet aluminium.
– Before a final heat treatment the alloy is ductile and malleable; after heat treatment a reaction between the aluminum and magnesium produces increased hardness and tensile strength.
– Material of both pulley part of an outer, and an inner plate portion to realize super-lightweight body.