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...

Individual Parts

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Results 1 - 25 of 1558

Nitrous Express Throttle Position Activation Switches 15569

Nitrous Express Throttle Position Activation Switches 15569

Nitrous Oxide Activation Switches, Throttle Position Activation Switches, Bracket, Carburetor Fuel Delivery, Holley, 4150, 4150 HP, Each

Part Number: NEX-15569

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Nitrous Express Wide-Open Throttle Switches 15577

Nitrous Oxide Activation Switches, Wide-Open Throttle Switches, Billet Aluminum Bracket, Carburetor Fuel Delivery, Holley, Dominator, Kit

Part Number: NEX-15577

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Nitrous Express Wide-Open Throttle Switches 15504

Wide Open Throttle Switch; Wide Open Throttle Nitrous Control Switch; w/HD 60 Amp Relay

Part Number: NEX-15504

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Nitrous Express Wide-Open Throttle Switches 15545

Nitrous Oxide Activation Switch, Wide Open Throttle, Each

Part Number: NEX-15545

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Nitrous Express Activation Switches 15706

Push Button Switch; Nitrous System Activation Push Button

Part Number: NEX-15706

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Nitrous Express Handle Bar Switch Mounts 15800P

Nitrous Oxide Activation Switch, Handle Bar, Right Side, 7/8 in. Bar, Each

Part Number: NEX-15800P

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Nitrous Express Handle Bar Switch Mounts 15801P

Nitrous Oxide Activation Switch, Handle Bar, Left Side, 7/8 in. Bar, Each

Part Number: NEX-15801P

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Nitrous Express Activation Switch Brackets for 2011-2021 MUSTANG - 15546

Nitrous Oxide Activation Switch Bracket, Black, Ford, Mustang, Each

Part Number: NEX-15546

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Holley Nitrous Activation Microswitch Brackets 20-130

Microswitch Brackets, For Nitrous Oxide Activation Switch, Steel, Black Powdercoated, Holley Carb 4150 HP, Each

Part Number: HLY-20-130

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Philadelphia Racing Products Micro Switch Mounting Brackets PRP-2051

Micro Switch Bracket Kit, Aluminum, Black Anodized, With Switch, For 4150 Carburetors, Kit

Part Number: PGP-PRP-2051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Philadelphia Racing Products Micro Switch Mounting Brackets PRP-2061

Micro Switch Bracket Kit, Aluminum, Black Anodized, With Switch, For 4500 Carburetors, Kit

Part Number: PGP-PRP-2061

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ZEX Wide-Open Throttle Microswitches ZZZ-NS6645

Switch, Micro, Wide-Open, Each

Part Number: ZEX-NS6645

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Engine Works Nitrous Oxide Activation Switches 550165

BLACK NITROUS WIDE OPEN THROTTLE SWITCH W/BRACKET

Part Number: EW1-550165

Not Yet Reviewed

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Engine Works Nitrous Oxide Activation Switches 550175

BLACK NITROUS WIDE OPEN THROTTLE SWITCH W/BRACKET

Part Number: EW1-550175

Not Yet Reviewed

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FAST Wide-Open Throttle Microswitches NS6645

Switch, Micro, Wide-Open, Each

Part Number: FST-NS6645

Not Yet Reviewed

Estimated Ship Date: Today

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Nitrous Express Activation Switches 15701

Nitrous Oxide Activation Switch, Carburetor/Fuel Injection, Each

Part Number: NEX-15701

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Nitrous Outlet WinMax Dual-Channel Window Switches 00-61001

Nitrous Oxide Controllers, WinMax Dual-Channel Window Switches, Programmable, Each

Part Number: NXO-00-61001

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Nitrous Express Digi-Set Time Delay Switches 15964

Nitrous Controller, Digi-Set Time Delay Switch, Each

Part Number: NEX-15964

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Philadelphia Racing Products Micro Switch Mounting Brackets PRP-2060

Nitrous Oxide Solenoid Mounting Brackets, Black Wide Open THRT Ntrs Swt Mnt Kit For 4500 Carb, BRKT Only

Part Number: PGP-PRP-2060

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Philadelphia Racing Products Micro Switch Mounting Brackets PRP-2050

Nitrous Oxide Solenoid Mounting Brackets, Black Wide Open Thrt Ntrs Swt Mnt Kit For 4150 Carb, Brkt Only

Part Number: PGP-PRP-2050

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

NOS Time Delay Switches 15838ANOS

Nitrous Oxide, Time Delay Switch, Each

Part Number: NOS-15838ANOS

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Nitrous Express Digi-Set Time Delay Switches 15964

3 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ZEX Solenoid/Wide Open Throttle Switch Brackets ZZZ-82105

Bracket, Solenoid/WOT Switch Bracket

Part Number: ZEX-82105

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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FAST Solenoid/Wide Open Throttle Switch Brackets 82105

Bracket, Solenoid/WOT Switch Bracket

Part Number: FST-82105

Not Yet Reviewed

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FAST Solenoid/Wide Open Throttle Switch Brackets 82219

Bracket, Heavy Duty Solenoid Bracket, Each

Part Number: FST-82219

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Nitrous Outlet X-Series Nitrous Oxide Systems 22-90000

Nitrous Oxide Systems, X-Series, Universal EFI, Single Nozzle, Dry, 200 hp, 10 lb. Bottle, Black, WOT Switch, Kit

Part Number: NXO-22-90000

4.54 out of 5 stars ( 13 )

Estimated Ship Date: Today

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