HKS Pulley Upgrade Kit - 2013-2020 BRZ/FR-S/86

• Additional installation of a small diameter pulley to Supercharger Kit Ver.3, which is the best match with 91 octane gasoline, upgrades the fuel parts with E85 and leads to +90% more power compared to the stock.
  HKS S/C RON91: RON91 gasoline spec. 255HP (+80HP of the stock)
  HKS S/C E85: E85 fuel +PULLEY UPGRADE KIT + Fuel Pump + Injector. 320HP (+150HP of the stock)
  ※Pulley Upgrade Kit, fuel pump, and injector are available separately.
• This kit is designed exclusively as the optional part for 12001-KT003. If E85 or racing fuel is not used, the output may be lowered than the one with the standard pulley size.

This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance, and reliability. Designed to provide a perfect fit for a hassle-free installation, this reliable product can help you get your vehicle back on the road faster and easier.