For the serious enthusiast, the NST 10% underdrive crank pulley offers more power, while keeping the stock belt (the belt is re-tensioned for the smaller size). No negative effect on alternator performance.

Great weight reduction
- 12 oz. vs. 48 oz.
- Average of 70% over OEM

Increased horsepower
- Average of 6 - 8 horsepower

Lower ET's & higher trap speeds
- Average of .20s & average of 2MPH

Each NST Yaris pulley set is carefully crafted from 6061-T6 aircraft aluminum, tested and balanced to high tolerances. Every NST pulley is hard anodized for exceptional durability and is a great item for use at the track or on the street.

Available in your choice of colors: Red or Graphite Gray.

FREE shipping (continental USA only) on this item!