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™ Idle Feed Restriction Tuning Kits SUM-M08041

Carburetor Idle Feed Restrictors, 6-32 Thread Size, Brass, Natural, M2008, Kit

Part Number: SUM-M08041

3.86 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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Quick Fuel Carburetor Idle Feed Restrictors 7-25-10QFT

Idle Feed Restrictor, Quick Fuel Carburetor, .025 in., 6-32 UNF Threads, Set of 10

Part Number: QFT-7-25-10QFT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Quick Fuel Carburetor Idle Feed Restrictors 7-28QFT

Idle Feed Restrictors, Brass, .028 in. Diameter Restriction, Quick Fuel, Set of 4

Part Number: QFT-7-28QFT

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Quick Fuel Carburetor Idle Feed Restrictors 7-7-10QFT

Idle Feed Restrictors, Brass, 6-32 unf, Blank, Drill to Suit, Quick Fuel, 4150/4500, Set of 10

Part Number: QFT-7-7-10QFT

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Willy's Carburetor & Dyno Shop Restrictor Plates WCD8850

Carubretor Restrictor Plate, 1 in. Thick, Aluminum, Black Anodized, Willy's 4-Barrel/Holley 4150 Series, Each

Part Number: WCD-WCD8850

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Holley Emulsion Jets 142-00

Carburetor Jets, Emulsion, Blank, No-Hole, 6-32 Thread, Brass, Natural, Pair

Part Number: HLY-142-00

Not Yet Reviewed

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Holley Emulsion Bleed Kits 36-322

Carburetor Jets, Emulsion Bleed Tuning, 6-32 Thread, Brass, Sizes 0.020 in., 0.031 in., 0.040 in., 0.046 in., 0.052 in., Blank, 10-each, Kit

Part Number: HLY-36-322

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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AED Power Valve Restrictors 7910

Carburetor Power Valve Restrictors, No.6-32 x 1/8 in., No Pilot Hole, Set of 10

Part Number: AED-7910

2.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Quick Fuel Carburetor Idle Feed Restrictors 7-40QFT

Idle Feed Restrictors, Brass, 6-32 unf, .040 Size, Quick Fuel, 4150/4500, Set of 4

Part Number: QFT-7-40QFT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Allstar Performance Carburetor Restrictor Plate Inserts ALL26066

Carburetor Restrictor Plate Inserts, Aluminum, 1.250 in. Inside Diameter, 1.000 in. tall, Set of 4

Part Number: AAF-ALL26066

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Quick Fuel Carburetor Idle Feed Restrictors 7-7QFT

Idle Feed Restrictors, Brass, 6-32 unf, Blank, Drill to Suit, Quick Fuel, 4150/4500, Pair

Part Number: QFT-7-7QFT

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Allstar Performance Full Throttle Non-Restrictor Inserts ALL26190

Carburetor Non-Restrictor Plate Inserts, Aluminum, 1.625 in. Inside Diameter, .500 in. tall, Set of 4

Part Number: AAF-ALL26190

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

AED Power Valve Restrictor Kits 7900

Power Valve Restrictor Kit, Blanks, Drill, Tap, Wrench, Kit

Part Number: AED-7900

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Allstar Performance Carburetor Restrictor Plate Inserts ALL26063

Carburetor Restrictor Plate Inserts, Aluminum, 1.100 in. Inside Diameter, 1.000 in. tall, Set of 4

Part Number: AAF-ALL26063

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Allstar Performance Carburetor Restrictor Plate Inserts ALL26183

Base Plate Insert, 1.100 in Diameter, 1/2 in Tall, Set of 4

Part Number: AAF-ALL26183

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Allstar Performance Carburetor Restrictor Plate Inserts ALL26186

Carburetor Restrictor Plate Inserts, 1.250 in. I.D., 0.500 in. Height, Fits Holley 4150 and 4160 Series Carburetors, Aluminum, Natural, Set of 4

Part Number: AAF-ALL26186

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Allstar Performance Carburetor Restrictor Plate Inserts ALL26067

Carburetor Restrictor Plate Inserts, Aluminum, 1.300 in. Inside Diameter, 1.000 in. tall, Set of 4

Part Number: AAF-ALL26067

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Holley Emulsion Jets 142-36

Carburetor Jets, Emulsion, Jet 0.036 in. Diameter, 6-32 Thread, Brass, Natural, Pair

Part Number: HLY-142-36

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Allstar Performance Carburetor Restrictor Plate Inserts ALL26185

Carburetor Restrictor Plate Inserts, Aluminum, 1.200 in. Inside Diameter, 1.000 in. tall, Set of 4

Part Number: AAF-ALL26185

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Allstar Performance Carburetor Restrictor Plate Inserts ALL26059

Carburetor Restrictor Plate Inserts, Aluminum, 1.050 in. Inside Diameter, 1.000 in. tall, Set of 4

Part Number: AAF-ALL26059

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Allstar Performance Carburetor Restrictor Plate Inserts ALL26069

Carburetor Restrictor Plate Inserts, Aluminum, 1.400 in. Inside Diameter, 1.000 in. tall, Set of 4

Part Number: AAF-ALL26069

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Allstar Performance Carburetor Restrictor Plate Inserts ALL26061

Carburetor Restrictor Plate Inserts, Aluminum, 0.950 in. Inside Diameter, 1.000 in. tall, Set of 4

Part Number: AAF-ALL26061

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Allstar Performance Carburetor Restrictor Plate Inserts ALL26064

Carburetor Restrictor Plate Inserts, Aluminum, 1.150 in. Inside Diameter, 1.000 in. tall, Set of 4

Part Number: AAF-ALL26064

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Allstar Performance Carburetor Restrictor Plate Inserts ALL26062

Carburetor Restrictor Plate Inserts, Aluminum, 1.000 in. Inside Diameter, 1.000 in. tall, Set of 4

Part Number: AAF-ALL26062

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Allstar Performance Carburetor Restrictor Plate Inserts ALL26065

Carburetor Restrictor Plate Inserts, Aluminum, 1.200 in. Inside Diameter, 1.000 in. tall, Set of 4

Part Number: AAF-ALL26065

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

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