This Ultra Lightweight Pulley Upgrade for ZP.E Pulley Hub system. (No machining of the snout needed) Fits factory GM LT4, this 10 Bolt Pulley is designed to be paired with our ZPE MK II HUB The Pulley is made from billet 7075-T6 aerospace grade aluminum.
The ZPE Griptec 2.3 supercharger pulley/belt upgrade kit is ideal for CTS-V 6.2 LT4 engine owners looking to enhance power output and performance.