Features:

• Gold Dichromate finish for corrosion resistance
• Optimized race calibration
• Contoured venturri inlet offers balanced airflow for increased horsepower
• Screw in air bleeds for precision tuning capabilities
• Dual 30cc accelerator pumps for additional fuel under initial acceleration
• Dual feed fuel inlets for constant high volume fuel delivery
• 4 corner idle allows you to precisely control your idle system
• Progressive Secondaries for perfect off the line launches
• Stainless steel throttle plates
• Calibrated for gasoline
• 100% wet-flow tested by Holley technicians to assure it arrives ready to run!

About Holley

Holley Performance Brands is the undisputed leader in carburetors, fuel pumps, fuel injection, intake manifolds, fuel injection, and fuel systems.

• Fuel Bowl Gasket

  For Model 2300™, Model 4150™, Model 4160™ and Model 4500™ Two Circuit Carburetors

  Part# 108-83-2

  $13.00

  Qty: 

  Add To Cart
• Inlet Needle - Viton

  Inlet Needle Viton® Tip Adjustable 0.110" Seat Size (Viton® is a registered trademark of DuPont Performance Elastomers)

  Part# 6-504

  $23.24

  Qty: 

  Add To Cart
• Metering Block Gasket

  For Models 2300™, Model 4150™ Model 4160™ and Model 4500™ without Intermediate Circuit

  Part# 108-89-2

  $13.00

  Qty: 

  Add To Cart
• Trick Kit Carburetor Rebuild Kit

  Trick Kit Carburetor Rebuild Kit Holley Vac. Sec. & Double Pump

  Part# 37-933

  $189.95

  Qty: 

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• Carburetor Standard Main Jet

  Standard Main Jet, 1/4-32 Thread, .101" Jet size

  Part# 122-86

  $11.21

  Qty: 

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• Renew Kit Carburetor Rebuild Kit

  Renew Kit Carburetor Rebuild Kit Model Number 4150 and 4500

  Part# 37-1539

  $181.95

  Qty: 

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• Replacement Fuel Bowl Kit

  Replacement primary center hung Fuel Bowl Kit For Use w/model 4160, 4150, and 2300 (0-4412) series carburetors with center hung bowls. Excluding model 4165. Standard finish

  Part# 134-103

  $109.76

  Qty: 

  Add To Cart
• Replacement Fuel Bowl Kit

  replacement secondary center hung Fuel Bowl Kit For Use w/Double Pump Carburetors excluding model 4165, standard finish.

  Part# 134-104

  $79.25

  Qty: 

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This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

• 1965 and older U.S. manufactured California Certified vehicles
• 1967 and older U.S. manufactured Federally Certified vehicles
• 1967 and older Foreign manufactured vehicle

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

• 1966 and newer U.S. manufactured California Certified vehicles
• 1968 and newer U.S. manufactured Federally Certified vehicles
• 1968 and newer Foreign manufactured vehicle