Item # 134-276• Adjustable metering block for 2-barrel HP models
• For carburetor P/N 0-80787-1
• Can be recalibrated and used on 0-80583-1
• Use bleed kit P/N 36-322
Item # 37-1543• Carburetor Rebuild Fast Kit for 2300 Models
• Genuine Holley Quality Parts
• Extra Parts for Performance Tuning
• Step-By-Step Instructions
• Detailed Tuning Guide
• Packaging Also Parts Tray
Item # 37-1544• Carburetor Rebuild Fast Kit for 4150 Models
• Genuine Holley Quality Parts
• Extra Parts for Performance Tuning
• Step-By-Step Instructions
• Detailed Tuning Guide
• Packaging Also Parts Tray
Item # 37-1547• Carburetor Rebuild Fast Kit for 4500 Models
• Genuine Holley Quality Parts
• Extra Parts for Performance Tuning
• Step-By-Step Instructions
• Detailed Tuning Guide
• Packaging Also Parts Tray
Item # 37-474• Holley Carburetor Rebuild Renew/Repair Kit for 2 BBL 4412 Model 2300
• Genuine Holley Quality Parts
• Extra Parts for Performance Tuning
• Step-By-Step Instructions
• Detailed Tuning Guide
• Packaging Also Parts Tray
Item # 26-41• Carburetor Accelerator Pump Check Valve
• Umbrella Type Check Valve
• Sold as Pair
Item # 26-26• Carburetor Inlet Inverted Flare Fitting
• 3/8" Tube
• Fuel Bowl Thread 7/8" -20
• Inlet Thread 5/8" -18
Item # 26-142-1Holley fuel inlet fittings are precisely machined from 2024 aluminum and anodized black for good looks and corrosion protection.
• Short -06 AN male fuel inlet fitting with -08 AN o-ring threads
• For 4150 Ultra XP fuel bowls.
• Aluminum Black Anodized
Item # 26-153-1Holley fuel inlet fittings are precisely machined from 2024 aluminum and anodized black for good looks and corrosion protection.
• Long -08 AN male fuel inlet fitting with -08 AN o-ring threads
• For Ultra XP fuel bowls
• Black Anodized Aluminum
Item # 20-114• Accelerator pump arm
• Steel with zinc finish
• Size: 30cc