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Air and Fuel Superchargers, Turbochargers and Components

HKS

HKS GT S/C System GSE21

$9,477.56 $7,326.27 Save $2,151.29

SKU: H005 12001-AT004

In Stock
In Stock
Ships by Jun 8
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

Exclusively for FR-S/BRZ. Includes all installation parts. V3 Supercharger kit features a revised inlet pipe (larger ID) and larger supercharger pulley for optimized airflow, more power, and cooler intake temps. Optional Flash Editor with pre-programmed tunes for 91 octane and E85 (SKU: 12001-KT004A). 93-octane calibration available through HKS USA. No engine management included; proper tune required. Features: Unrestricted Supercharger, Larger Diameter Inlet Pipe, Larger Supercharger Pulley (less strain/heat), Newly Designed Supercharger Bracket. Included Components: GT S/C unit, Super Power Flow, Intercooler, Suction pipe, Injector, Chamber pipe, Special sub-computer, Relief valve, S/C bracket, Traction oil cooler, Pulley/belt, Traction oil tank. Manufacturer Notes: Modifications to radiator support, alternator bracket, oil, oil level gauge’s boss (front chain cover) required. Engine oil viscosity must be >40.

Fitment

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Specifications

BrandHKS
Part NumberH005 12001-AT004

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Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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