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Kartboy Lightweight Crank Pulley
- 2015-2020 WRX / 2013+ FR-S / BRZ / 86
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.
- Factory Crank = 4.89lbs
- Kartboy = 1.0lb
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This Part Fits
1 customer review
Recently 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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