AROSPEED High Performance Lightweight Hardened Aluminium Crank Pulley is made from T6061 aluminium. It features an over-coating hardened layer. This hardened coating protects the pulley from wear.The advantage of having reduced weight will help improve in the effeciency of the crank, thus improving ..
ZERONE Lightened Crank PulleyTap into hidden horsepower with the ZERONE Lightened Crank Pulley. Developed exactly to the stock diameter to keep the stock speed for the alternator, supercharger and water pump. The performance benefits of weight reduction outweigh the need for underdrive, especially f..