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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Results 1 - 25 of 1959

Holley Vacuum Secondary Spring Kits 20-13

Vacuum Secondary Springs, Road, Speed, Mighty Demon, Holley 4150/4160 Carburetors,7-piece, Set

Part Number: HLY-20-13

4.8 out of 5 stars ( 49 )

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Summit Racing™ Vacuum Secondary Diaphragms SUM-200251

Vacuum Secondary Diaphragm, Rubber, Holley Carburetors, Each

Part Number: SUM-200251

4.86 out of 5 stars ( 7 )

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Holley Vacuum Secondary Diaphragms 135-4

Vacuum Secondary Diaphragms, Rubber, Holley Carburetors, Each

Part Number: HLY-135-4

4.92 out of 5 stars ( 37 )

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Titan Tekz Vacuum Cap Kits 45253

Vacuum Cap, 80-Piece, High Temp Silicone Rubber, Assortment, Kit

Part Number: TTN-45253

4.83 out of 5 stars ( 6 )

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Edelbrock Vacuum Caps 4804

Vacuum Caps, Assortment, Rubber, Set of 20

Part Number: EDL-4804

4.6 out of 5 stars ( 10 )

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Titan Tekz Vacuum Cap Kits 45252

Vacuum Cap Assortment, Buna-N Rubber, Set of 80

Part Number: TTN-45252

4.77 out of 5 stars ( 53 )

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Holley Vacuum Secondary Carburetor Accessories 20-59

Quick Change Covers, Vacuum Diaphragm Spring, Plastic, Black, Holley, Each

Part Number: HLY-20-59

4.43 out of 5 stars ( 30 )

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Dorman Vacuum Caps 799-350

Vacuum Caps, Rubber, Set of 30

Part Number: RNB-799-350

5.0 out of 5 stars ( 8 )

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Summit Racing™ Vacuum Line Cap Kits SUM-G1390

Vacuum Caps, Plastic, Assortment, Set of 20

Part Number: SUM-G1390

4.82 out of 5 stars ( 11 )

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AED Vacuum Secondary Quick-Change Kits with Springs 5585

Vacuum Secondary Cover, Quick-Change, Plastic, Black, Holley 4150/4160, Carburetors, Kit

Part Number: AED-5585

4.5 out of 5 stars ( 26 )

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Quick Fuel Carburetor Vacuum Secondary Spring Kits 38-1000QFT

Carburetor Vacuum Secondary Springs, Steel, Demon, Holley, Quick Fuel, Diaphragm, Housing, Kit

Part Number: QFT-38-1000QFT

4.54 out of 5 stars ( 13 )

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Holley Vacuum Secondary Diaphragms 135-6

Vacuum Secondary Diaphragms, Rubber, Holley Carburetors, Each

Part Number: HLY-135-6

5.0 out of 5 stars ( 3 )

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Summit Racing™ Vacuum Secondary Upgrade Pro Packs 03-0100

Combo, Holley, Quick Change Vacuum Secondary Housing, Spring Assortment, Single 4-Barrel Carburetor, Kit

Part Number: CMB-03-0100

4.75 out of 5 stars ( 20 )

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Holley Vacuum Line Cap Kits 26-105

Caps and Plugs, Vacuum Line, Rubber, Assorted Sizes, Kit

Part Number: HLY-26-105

4.62 out of 5 stars ( 13 )

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Milodon Vacuum Line Caps 41150

Milodon Vacuum Line Caps 41150

Vacuum Cap Kit, 20 Piece, 1/8 in.- 3/8 in.

Part Number: MIL-41150

4.2 out of 5 stars ( 5 )

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Holley Vacuum Secondary Diaphragms 135-11

Diaphragms, Vacuum, Viton®, Holley, 4160 Series, Marine, Kit

Part Number: HLY-135-11

5.0 out of 5 stars ( 2 )

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Quick Fuel Carburetor Vacuum Secondary Spring Kits 38-100QFT

Carburetor Vacuum Secondary Springs, Steel, Demon, Holley, Quick Fuel, Set of 7

Part Number: QFT-38-100QFT

4.17 out of 5 stars ( 6 )

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Dorman Vacuum Caps 47397

Vacuum Caps, Vinyl, Set of 20

Part Number: RNB-47397

4.0 out of 5 stars ( 5 )

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Dorman Vacuum Caps 41050

Vacuum Caps, Rubber, Assortment, Set of 8

Part Number: RNB-41050

5.0 out of 5 stars ( 2 )

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Holley Vacuum Secondary Diaphragms 135-2

Vacuum Secondary Diaphragms, Rubber, Holley Carburetors, Each

Part Number: HLY-135-2

4.25 out of 5 stars ( 4 )

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Dorman Vacuum Caps 47395

Vacuum Caps, 3/8 in. Size, Rubber, Set of 3

Part Number: RNB-47395

5.0 out of 5 stars ( 2 )

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Holley Vacuum Secondary Diaphragms 135-3

Vacuum Secondary Diaphragms, Rubber, Holley Carburetors, Each

Part Number: HLY-135-3

4.0 out of 5 stars ( 3 )

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Dorman Vacuum Caps 02255

Vacuum Caps, 1/2 in. Size, Rubber, Pair

Part Number: RNB-02255

Not Yet Reviewed

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Mr. Gasket Vacuum Line Cap Kits 3704

Vacuum Caps, Plastic, Assortment, Set of 16

Part Number: MRG-3704

5.0 out of 5 stars ( 1 )

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Dorman Vacuum Caps 02250

Vacuum Caps, 5/8 in. Size, Rubber, Pair

Part Number: RNB-02250

5.0 out of 5 stars ( 1 )

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