2005 - 2010 Scion tC Pulley Kit NST02148K Crank, Alternator, Water Pump KIT (3 piece kit)

The NonStopTuning Scion tC 2AZFE Pulley Kit is designed for tuners looking to reduce weight and increase the throttle response of their engines. 

Superior to other available kits, the NST kit offers an Overdrive Alternator Pulley to optimize output for stereo system lovers.  No need to worry about your battery, lights, or electrical system when the NST kit is used. 

These OEM diameter pulleys will not underdrive the associated accessories, yet lead to great throttle response, and improved horsepower and torque numbers. 

Each kit is CNC machined from 6061-T6 aircraft quality aluminum, and tested for tight machining and balance tolerances. Every NST pulley is hard anodized for exceptional durability and is available in a choice of colors.

​The NST kit is compatible the OEM belt, we recommend a new belt (available below) for our high mileage customers.
​ AVERAGE WEIGHT COMPARISONS

- OEM Crank Pulley 70 oz | 2 kg
- NST Crank Pulley 14 oz | 400 g

- OEM Water Pump Pulley 16 oz | 450 g
- NST Water Pump Pulley 6 oz | 170 g

- OEM Power Steering Pulley 16 oz | 450 g
- NST Power Steering Pulley 6 oz | 170 g

- OEM Alternator Pulley 10 oz | 285 g
- NST Alternator Pulley 3 oz | 85 g PERFORMANCE BENEFITS

Weight Reduction
- Approximately 70% - 75% vs OEM

Dyno Proven Horsepower & Torque
- Average of 7-10 horsepower & torque

Better Throttle Response & Fuel Economy
- Smoother operation and higher MPG 

Ongoing Research & Development
- visit the DYNO page of our website!