Kartboy Aluminum Single Belt Crank Pulley - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

Spectral Performance proudly carries a great selection of quality automotive engine and drivetrain upgrades and accessories brought you by Kartboy.

Here, you are looking at the Kartboy Single Belt Aluminum Crank Pulley. This is a lightweight crank pulley that will reduce the overall rotational mass of your engine, The result is improved engine response, along with faster revs.

DETAILS:

• Made using durable aluminum materials
• Anodized back finish
• Weighs just 2.38lbs
• Improves throttle response
• Removes rotational mass in your engine

NOTE: If you have not removed your A/C, THIS is the correct belt for you.