Adjustable camshaft pulley's for Peugeot-Citroen 1.6 16v TU5J4, TU5JP4 and TU5JP4S engines. Made of aluminum AL6061 hard anodized for increased wear resistance of the gear teeth. This new ultra-lightweight design from RSX has made it possible to reduce the weight to 262 grams per wheel, which is probably the lightest weight on the market.