Fasterproms 2.31″ Upper Crank Pulley for LT4-Powered Camaro, Corvette & CTS-V

Description

Looking to spin that supercharger harder and make more power?  Add this smaller solid 1 piece upper pulley to the supercharger snout replacing the OEM 2.5 pulley and you will increase the supercharger speed by approximately 5%!
Requires snout modification
For an interchangeable 2.3 that requires no snout modification, check out our line of Griptec interchangeable pulleys, available from 2.175″ on up:
http://weaponxmotorsports.com/products/griptec-weapon-x-pulley-lt4

Explore more from our collection.