2013 - 2020 Toyota 86 Scion FRS Subaru BRZ Pulley Kit NST08686K Alternator Pulley Only

The NonStopTuning Toyota 86, Scion FRS, & Subaru BRZ FA20 Pulley Kit is designed for tuners looking to reduce weight and increase the throttle response of their engines. 

These OEM diameter pulleys will neither underdrive nor overdrive the associated accessories, yet lead to great throttle response and improved horsepower and torque numbers. Compatible with naturally aspirated, turbocharged, or supercharged engines.

Superior to other brands on the market, NST also offers serviceable Idler & Tensioner Pulleys which include high quality, serviceable, bearings. The NST Idler & Tensioner Pulleys are Hard Anodized, giving them a very unique graphite gray color, making them the strongest possible options on the market.  Compatible with all NST and/or OEM accessory pulleys.

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!