Complete ProCharger D1SC package with Holley "Spider" intercooler, Holley fuel rails, and methanol kit (Install + Tune = Go 😎) 7 psi pulley for daily use (500-600 HP) 14 psi pulley for full power (800-1000 HP) The ProCharger can handle 1000 HP. We reached 800 HP on it with pump gas and methanol. Fits: Camaro 2010-2015 Corvette GM Trucks Lumina Caprice