These Steeda Supercharger Pulleys are made from Steel not aluminum and have holes drilled around the center of the pulley to lower the rotational weight. This is the highest quality pulley available for the Cobra. 3.10" pulley 1-2psi over stock, requires performance tune. Testing has shown 25+ horsepower.
Beefcake Racing is an Authorized Dealer for Steeda, call 1-855-827-7223, 9am-9pm EST
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
