Holley Supercharger XP 4-Barrel Square Bore 750 CFM Carburetor - No Choke - Mechanical Secondary - Dual Inlet OFF-SPLITTER an innovative Anti-Theft feature has

an innovative Anti-Theft feature has been incorporated that allows you to manually activate/deactivate a vehicle immobilizing relay

The big difference is in the shank design

13-1/4 in Long

Mopar A-Body 1967-75

080 in Thick

Holley Supercharger XP 4-Barrel Square Bore 750 CFM Carburetor - No Choke - Mechanical Secondary - Dual Inlet OFF-SPLITTER an innovative Anti-Theft feature hasBy popular demand, Holley is expanding the draw thru supercharger carburetor line to now include the XP series. Like the existing HP line, these are available in 600, 750, and 950 CFM flow rates and standard polished with black accents. The feature laden XP includes a contoured venturi inlet for balanced air flow, screw in air bleeds for precision tuning capabilities, high flow billet metering blocks, billet base plate, and Dominator style fuel bowls