HKS CAM PULLEY - Nissan Silvia S15

HKS adjustable cam pulleys for Nissan Silvia SR20DET engine allow you to adjust cam timing to maximize engine performance for various driving conditions. Either with stock or HKS camshafts, adjustments can be done to tune an engine power band to optimum RPM range for a particular application.

Duralumin is alloy of aluminum (over 90%) with copper (about 4%), magnesium (0.5%-1%), and manganese (less than l%). 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. Because of its lightness and other desirable physical properties, duralumin is widely used in the aircraft industry. material of both pulley part of an outer, and an inner plate portion to realize super-lightweight body.

Please note that price is for one. You will require 2, one for inlet and one for exhaust side.