- 15+ WRX
2015+ Subaru WRX
The 2015 Subaru WRX features a turbocharged FA20DIT 2.0 Liter engine. You'll see us place many of the products available for this vehicle on our very own World Rally Blue shop car.
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- 15+ STI
2015+ Subaru WRX STI
The 2015 WRX STI features a EJ257 engine and has received performance upgrades vs the previous generation. Our Crystal White Pearl will be the topic of many videos to come!
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- 13+ BRZ
2013+ Subaru BRZ
From Big Brake Kits to Headers to Intakes, and Wheels, SubiSpeed has your needs covered!
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- 14-18 FORESTER
2014+ Subaru Forester
This is a really popular vehicle in Subaru's lineup. It's versatile and can be modified to be one of a kind.
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Kartboy
Kartboy Lightweight Crank Pulley
- 2015-2020 WRX / 2013+ FR-S / BRZ / 86
SKU: KB-050FA/B
In Stock
Details
Kartboy Crankshaft Pulley for the Subaru BRZ weighs in at 1 Pound. A good bit lighter than stock but not light enough to throw a CE light. Free up a little crank HP and get some KB Bling.
Weight Savings
- Factory Crank = 4.89lbs
- Kartboy = 1.0lb
1 customer review
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Accel today
By Stephen July 12, 2018Recently purchased and replaced factory crank pulley with the kartboy pulley and I definitely see the difference. Acceleration is a lot quicker due to the weight difference in pulleys. For $95, easiest and cheapest mod you could do without needing a tune and certainly well worth it. Thanks to Subispeed for the air freshener and Laffy Taffy.
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