Kartboy Lightweight Aluminum Crank Pulley 2022-2026 WRX / 2022-2026 BRZ / 2022-2026 GR86 / 2017-2025 Crosstrek / 2019-2025 Ascent / 2019-2025 Forester / 2020-2025 Outback / 2020-2025 Legacy / 2017-2025 Impreza Autometer-InStock especially if combined with other

especially if combined with other performance modifications

Spring Rates are 8k Front / 8K Rear regardless of spring selection

- 1 Set of SMY Fuel Rails Gloss Red w/ Hardware (-8 Bore Size)

Short as possible primaries with a single secondary significantly decrease header volume allowing exhaust gas pressure to build quickly

and the inside of your timing covers

Kartboy Lightweight Aluminum Crank Pulley 2022-2026 WRX / 2022-2026 BRZ / 2022-2026 GR86 / 2017-2025 Crosstrek / 2019-2025 Ascent / 2019-2025 Forester / 2020-2025 Outback / 2020-2025 Legacy / 2017-2025 Impreza Autometer-InStock especially if combined with otherUpgrade your Subarus performance with the Kartboy Lightweight Aluminum Crank Pulley, designed specifically for 2017 2025 Subaru models equipped with FA and FB series engines. Weighing just 1 lb, this pulley reduces rotational mass compared to the stock unit, freeing up crank horsepower without triggering a check engine light. Its a simple, effective way to enhance engine response and efficiency while adding a sleek, signature Kartboy look under the