Air/Fuel Delivery Parts for Carbureted & Fuel Injected Engines

Cram the right air/fuel ratio into your engine and you create incredible horsepower. Summit Racing has everything you need to find that mix, starting with carburetors...

Cram the right air/fuel ratio into your engine and you create incredible horsepower. Summit Racing has everything you need to find that mix, starting with carburetors for street to strip, plus intake manifolds ranging from stock-height replacements to hood-busting tunnel rams. If you’e ready to advance to fuel injection, we’ve got you covered with injectors, manifolds, fuel rails, sensors, and complete performance EFI conversion kits. We’ve also got cold air intakes, fuel pumps, fuel filters, superchargers, turbochargers, nitrous kits, methanol injection kits, hood scoops, and air filters—there’s no excuse for starving...

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Summit Racing™ Accelerator Pump Conversion Kits SUM-200260

Summit Racing™ Accelerator Pump Conversion Kits SUM-200260

Conversion Kit, Accelerator Pump, Holley 2300/4150/4160, 50cc, Kit

Part Number: SUM-200260

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Summit Racing™ Fuel Pressure Regulator Conversions SUM-22009704

Fuel Regulator Delete for 1997-04 Jeep TJ and 1997-01 XJ Cherokee

Part Number: SUM-22009704

Not Yet Reviewed

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Aeromotive EFI To Carb Conversion Fuel Pressure Regulators 13220

Fuel Pressure Regulator, EFI To Carb Conversion, 5-9 psi, Return Style, Inline, Aluminum, Black Anodized, Each

Part Number: AEI-13220

5.0 out of 5 stars ( 17 )

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Fleece Performance LML CP3 Conversion Kits FPE-LML-CP3-WP

Fuel Pump, LML CP3 Conversion Kit, Mechanical, Injection Diesel Fuel Pump Style, Stock Inlet Size, Chevrolet, GMC, 6.6L Diesel, Kit

Part Number: FLE-FPE-LMLCP3WP

5.0 out of 5 stars ( 1 )

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Holley Accelerator Pump Conversion Kits 20-11

Accelerator Pumps, Conversion Kit, 50cc Diaphragm, Pump housing, Stud, Arm, Diaphragm, Spring, Screws, for Model 2300, 4150, 4160, Kit

Part Number: HLY-20-11

4.76 out of 5 stars ( 33 )

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Quick Fuel E85 Billet Metering Block Conversion Kits 34-106QFT

Metering Block Conversion, Billet Aluminum, E85 Red Anodized, Quick Fuel, 4150, Kit

Part Number: QFT-34-106QFT

4.88 out of 5 stars ( 8 )

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Proform Carburetor Metering Block Upgrade Conversions 67165C

Metering Block, Primary, Secondary, Billet Aluminum, Black Anodized, Holley 4150, Double Pumper, Kit

Part Number: PRO-67165C

4.2 out of 5 stars ( 5 )

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Advanced Fuel Dynamics PROFLEX Direct Flex Fuel Systems PFD-GMLS-1

Flex Fuel Conversion Kits, PROFLEX Direct, Chevy, GMC, Pontiac, LS, E85, Kit

Part Number: AFD-PFD-GMLS-1

5.0 out of 5 stars ( 5 )

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Quick Fuel Double Pumper Billet Metering Block Conversion Kits 34-105QFT

Metering Block Conversion, Billet Aluminum, Red Anodized, Holley/Quick Fuel, 4150, Kit

Part Number: QFT-34-105QFT

4.0 out of 5 stars ( 8 )

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Holley Metering Block Conversion Kits 34-13SA

Conversion Kits, Metering Block, 4160 to 4150 Model, Cast Aluminum, Shiny Finish, Gaskets, Long Screws Included, Kit

Part Number: HLY-34-13SA

5.0 out of 5 stars ( 1 )

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Advanced Fuel Dynamics PROFLEX Direct Flex Fuel Systems PFD-GMLT-1

Flex Fuel Conversion Kits, PROFLEX Direct, Chevy, GMC, LT, E85, Kit

Part Number: AFD-PFD-GMLT-1

2.0 out of 5 stars ( 1 )

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Holley Accelerator Pump Conversion Kits 20-11HB

Carburetor Accelerator Pump Conversion Kits, 50cc Diaphragm Volume, Gasoline, Holley, 2300, 4150, 4160, Kit

Part Number: HLY-20-11HB

5.0 out of 5 stars ( 5 )

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Holley Accelerator Pump Conversion Kits 20-11SA

Carburetor Accelerator Pump Conversion Kits, 50cc Diaphragm Volume, Aluminum Housing, Gasoline, Holley, 2300, 4150, 4160, Kit

Part Number: HLY-20-11SA

5.0 out of 5 stars ( 6 )

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Aeromotive X1 Fuel Pressure Regulator Conversion Kits 13014

Regulator Conversion Kit, for AEI-13303, AEI-13305, Kit

Part Number: AEI-13014

5.0 out of 5 stars ( 1 )

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Nitrous Outlet Nitrous Plate Conversion Kits 00-42023

92mm LSX Nitrous Plate Conversion

Part Number: NXO-00-42023

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Mr. Gasket Street Scoop Conversion Kits 6653

Street Scoop Conversion, Dual 4-Barrel to Single 4-Barrel, Kit

Part Number: MRG-6653

5.0 out of 5 stars ( 2 )

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AED Accelerator Pump Kits 5570

Accelerator Pump Conversion, Gasoline, 30cc, Holley, Each

Part Number: AED-5570

4.5 out of 5 stars ( 4 )

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Holley Accelerator Pump Conversion Kits 20-11BK

Conversion Kits, Carburetor, Accelerator Pump, Aluminum, Shiny, 50cc Diaphragm, Throttle Lever, Bracket, Black, Hardware, Kit

Part Number: HLY-20-11BK

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Nitrous Outlet 4150 Race Stinger Plate Conversion Kits 00-44501

4150 Stinger Plate Conversion (5-7-10psi)(50-600HP)

Part Number: NXO-00-44501

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Mr. Gasket Street Scoop Conversion Kits 6652

Street Scoop Conversion, Single 4-Barrel to Dual 4-Barrel, Kit

Part Number: MRG-6652

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Nitrous Outlet Dual-Stage Nitrous Plate Conversion Kits 00-42029

Dual Stage 102mm LSx Plate Conversion ( 50-100-150-200 HP )

Part Number: NXO-00-42029

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Nitrous Outlet Nitrous Plate Conversion Kits 00-42001

LT1/TPI 52mm Plate Conversion (50-100-150-200 HP)

Part Number: NXO-00-42001

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Nitrous Outlet Nitrous Plate Conversion Kits 00-42022

90mm LSX Nitrous Plate Conversion (Side Located Fittings)

Part Number: NXO-00-42022

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Nitrous Outlet Dry-to-Wet Conversion Kits 00-10900

Dry to Wet Conversion Kit

Part Number: NXO-00-10900

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Nitrous Outlet 4500 Stinger Plate Conversion Kits 00-10654-SF

4500 Stinger Plate Conversion Boomerang 2 Solenoid Bracket (5,7,10psi)

Part Number: NXO-00-10654-SF

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

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