Holley 0-80576SA Draw-Thru Aluminum Supercharger 750 CFM 4150 XP Carburetor Features:

• Calibrated for Chevy small block w/671 blower & 2 carburetors
• Boost referenced power valve for enrichment under load (low vacuum)
• Throttle lever is cut off for clearance for sideways mounting
• The contoured venturi inlet provides balanced airflow to increase horsepower
• Screw in air bleeds for fine-tuning the fuel curve
• Dual 50 cc accelerator pumps (double-pumper)
• Dual feed fuel inlets on both sides of fuel bowls
• 100 percent wet-flow tested

Holley 0-80576SA Draw-Thru Aluminum Supercharger 750 CFM 4150 XP Carburetor Notes:

• XP Carburetors fuel inlets are SAE 8 unlike previous fuel inlets of 7/8 in.-20
• Carburetor is shipped with SAE 8 to -6 AN port fittings but new or modified fuel lines may be required
• Fuel lines of 3/8 in. (-6) minimum diameter required
• Supercharger carburetors will have 1 to 2 externally referenced power valve tubes that must be connected to a vacuum source below the supercharger
• An in-line fuel filter needs to be installed between the fuel pump and the carburetor

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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