Product Features:440 HP and 425 ft/lbs. of TorquePro-Flo XT Sequential Multi-Point EFINew GM 4 Bolt Main ZZ BlockEdelbrock Total Power Package ComponentsAluminum Valve Covers w/Custom BadgeCustom Assembled By Edelbrock TechniciansHigh Quality Edelbrock Aluminum Heads24 Month/Unlimited Mileage Warranty