Kartboy Aluminum Single Belt Crank Pulley WRX (2002-2014) STI (2004-2018) Honda CNC-machined flanges

CNC-machined flanges

this has placed milltek sport at the forefront of tuning companies and owners ‘must have’ list

05-07 Spring Rates: F: 5

500 mile break-in highly recommended with this set-up

AT87 Alignment Tool For Quick and Easy Installation

Kartboy Aluminum Single Belt Crank Pulley WRX (2002-2014) STI (2004-2018) Honda CNC-machined flangesThe Kartboy Aluminum Single Belt Crank Pulley for your Subaru retains all of the key features that their V2 pulley does while reducing the rotational mass even more by getting rid of the extra belt track that's no longer needed with your A C long gone. This Aluminum pulley comes in a clean black finish to blend in nicely with any engine bay and weighing in at a whopping 2. 02lbs, you're getting style and the quicker rev's that come with a light weight