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Holley Performance 122-97 Carburetor Metering Jet

Standard Main Jet 1/4-32 Thread .1210 in. Jet size; These metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters per minute and are changeable for tuning purposes. The shape of the entry exit and... more

Holley Performance 122-87 Carburetor Metering Jet

Standard Main Jet 1/4-32 Thread .103 in. Jet size; These metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters per minute and are changeable for tuning purposes. The shape of the entry exit and... more

Holley Performance 122-56 Carburetor Metering Jet

Standard Main Jet 1/4-32 Thread .055 in. Jet size; These metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters per minute and are changeable for tuning purposes. The shape of the entry exit and... more

Holley Performance 122-46 Carburetor Metering Jet

Standard Main Jet 1/4-32 Thread .0465 in. Jet size; These metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters per minute and are changeable for tuning purposes. The shape of the entry exit and... more

Holley Performance 122-43 Carburetor Metering Jet

Standard Main Jet 1/4-32 Thread .043 in. Jet size; These metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters per minute and are changeable for tuning purposes. The shape of the entry exit and... more

Holley Performance 122-78 Carburetor Metering Jet

Standard Main Jet 1/4-32 Thread .089 in. Jet size; These metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters per minute and are changeable for tuning purposes. The shape of the entry exit and... more

Holley Performance 122-106 Carburetor Metering Jet

Standard Main Jet 1/4-32 Thread .141 in. Jet size; These metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters per minute and are changeable for tuning purposes. The shape of the entry exit and... more

Holley Performance 122-110 Carburetor Metering Jet

Standard Main Jet 1/4-32 Thread .156 in. Jet size; These metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters per minute and are changeable for tuning purposes. The shape of the entry exit and... more

Holley Performance 122-98 Carburetor Metering Jet

Standard Main Jet 1/4-32 Thread .1240 in. Jet size; These metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters per minute and are changeable for tuning purposes. The shape of the entry exit and... more

Holley Performance 122-91 Carburetor Metering Jet

Standard Main Jet 1/4-32 Thread .1085 in. Jet size; These metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters per minute and are changeable for tuning purposes. The shape of the entry exit and... more

Holley Performance 0-80805RDX Carburetor

Mechanical Secondary-4150; Xtreme Performance - Holley Ultra XP&trade: carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new features! They re available in our all-new... more

Holley Performance 0-80801BKX Carburetor

Mechanical Secondary-4150; Xtreme Performance - Holley Ultra XP&trade: carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new features! They re available in our all-new... more

Holley Performance 0-80803RDX Carburetor

Mechanical Secondary-4150; Xtreme Performance - Holley Ultra XP&trade: carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new features! They re available in our all-new... more

Holley Performance 0-80804HBX Carburetor

Mechanical Secondary-4150; Xtreme Performance - Holley Ultra XP&trade: carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new features! They re available in our all-new... more

Holley Performance 0-80802HBX Carburetor

Mechanical Secondary-4150; Xtreme Performance - Holley Ultra XP&trade: carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new features! They re available in our all-new... more

Holley Performance 0-80805HBX Carburetor

Mechanical Secondary-4150; Xtreme Performance - Holley Ultra XP&trade: carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new features! They re available in our all-new... more

Holley Performance 0-80804BKX Carburetor

Mechanical Secondary-4150; Xtreme Performance - Holley Ultra XP&trade: carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new features! They re available in our all-new... more

Holley Performance 0-80805BKX Carburetor

Mechanical Secondary-4150; Xtreme Performance - Holley Ultra XP&trade: carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new features! They re available in our all-new... more

Holley Performance 0-80802RDX Carburetor

Mechanical Secondary-4150; Xtreme Performance - Holley Ultra XP&trade: carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new features! They re available in our all-new... more

Holley Performance 0-80803BKX Carburetor

Mechanical Secondary-4150; Xtreme Performance - Holley Ultra XP&trade: carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new features! They re available in our all-new... more

Holley Performance 0-80802BKX Carburetor

Mechanical Secondary-4150; Xtreme Performance - Holley Ultra XP&trade: carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new features! They re available in our all-new... more

Holley Performance 0-80801HBX Carburetor

Mechanical Secondary-4150; Xtreme Performance - Holley Ultra XP&trade: carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new features! They re available in our all-new... more

Holley Performance 0-80843HBX Carburetor

Mechanical Secondary Calibrated for E-85-4150; Xtreme Performance - Holley Ultra XPâ„¢ carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new features! They re available... more

Holley Performance 17-90 Carburetor Adapter Plate

Billet Carburetor Adapter Plate for 2bbl 2300 Series models (0-4412to a 4150 Square Bore manifold ) - Black Anodized; No company knows fuel systems like Holley. Today Holley carburetors continue to be a dominant force in high performance and racing... more

Holley Performance 0-1850C Carburetor

Manual Choke Vacuum Secondaries-4160; One of the most trusted carburetors of all times -the 1850! Its 600 CFM of airflow vacuum secondaries single fuel inlet and mechanical choke makes it amazingly universal. The 1850C has a Gold Dichromate finish for... more

Holley Performance 0-80458SA Carburetor

Electric Choke Vacuum Secondaries-4160; Holley s all-aluminum 0-80458SA carburetor was designed for the rodder with a mildly built engine and a desire for a racy dual inlet look but who only needs a 600 CFM carburetor. Dual feed fuel inlets assure you... more

Holley Performance 0-80835HBX Carburetor

Mechanical Secondary Calibrated for Methanol-4150 Limited to Stock; Xtreme Performance - Holley Ultra XPâ„¢ carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new... more

Holley Performance 0-80845HBX Carburetor

Mechanical Secondary Calibrated for E-85-4150; Xtreme Performance - Holley Ultra XPâ„¢ carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new features! They re available... more

Holley Performance 6-502-2 Carburetor Needle and Seat

Inlet Needle Steel Seat Size 0.120 in. Adjustable; Steel-tipped inlet needles are necessary when using exotic racing fuels A .097 in. seat size should be used for small four barrel carburetors; a .110 in. seat size should be used for carburetors up to... more

Holley EFI 550-868K Carburetor Repair Kit

Rochester Quadrajetâ„¢ (Q-Jet) 4-Barrel Fuel Injection Conversion - Self-Tuning System with Handheld EFI Controller - Black Ceramic; Are you tired of rebuilding the 50+ year old Rochester Quadrajetâ„¢ (Q-Jet) on your classic Chevrolet GMC Buick... more

Holley Performance 6-501-2 Carburetor Needle and Seat

Inlet Needle Steel Seat Size 0.097 in. Adjustable; Steel-tipped inlet needles are necessary when using exotic racing fuels or alcohol or when using benzine or acetone additives. A .097 in. seat size should be used for small four barrel carburetors; a... more

Holley Performance 6-500-2 Carburetor Needle and Seat

Inlet Needle Steel Seat Size 0.110 in. in. Adjustable; Steel-tipped inlet needles are necessary when using exotic racing fuels or alcohol or when using benzine or acetone additives. A .097 in. seat size should be used for small four barrel carburetors;... more

Holley Performance 0-80812BKX Carburetor

Mechanical Secondary Calibrated for Circle Track-4150; Xtreme Performance - Holley Ultra XPâ„¢ Circle Track Carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new... more

Holley Performance 0-80812HBX Carburetor

Mechanical Secondary Calibrated for Circle Track-4150; Xtreme Performance - Holley Ultra XPâ„¢ Circle Track Carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new... more

Holley Performance 6-515-2 Carburetor Needle and Seat

Inlet Needle Steel Seat Size 0.130 in. Adjustable; Steel-tipped inlet needles are necessary when using exotic racing fuels. A .097 in. seat size should be used for small four barrel carburetors; a .110 in. seat size should be used for carburetors up to... more

Holley EFI 550-869K Carburetor Repair Kit

Rochester Quadrajetâ„¢ (Q-Jet) 4-Barrel Fuel Injection Conversion - Self-Tuning System with Handheld EFI Controller - Classic Gold Finish; Are you tired of rebuilding the 50+ year old Rochester Quadrajetâ„¢ (Q-Jet) on your classic Chevrolet GMC Buick... more

Holley 20-120 Billet Regulator Bracket for 4150/4160 Carburetors

Black Anodized Billet Regulator bracket for 4150/4160 carburetors; Black anodized billet aluminum bracket that conveniently mounts a 12-803 12-804 or 12-803BP fuel pressure regulator utilizing the passenger side carb studs on any 4150 / 4160 style... more