Kartboy Aluminum Crank Pulley - 13-15 Scion FR-S & Subaru BRZ
One of the benefits of a Subaru boxer engine is that they respond well to lightweight crank pulleys. Kartboy’s crank pulley is a great option for you BRZ/FR-S owners. Think of it as having a lightweight flywheel, you’re going to reduce the rotational mass and strain on the engine.
The Kartboy aluminum crank pulley is black in finish, and weighs in at 1.04lbs.