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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Philadelphia Racing Products Micro Switch Mounting Brackets PRP-2051

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: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

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: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

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: Nov 18, 2025 if ordered today

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Estimated Ship Date: Nov 18, 2025 if ordered today

ZEX Wide-Open Throttle Microswitches NS6645

Switch, Micro, Wide-Open, Each

Part Number: ZEX-NS6645

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

FAST Wide-Open Throttle Microswitches NS6645

Switch, Micro, Wide-Open, Each

Part Number: FST-NS6645

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NOS Single Stage Electric Pack Wiring Kits 15634NOS

Nitrous System Electrical Kit; Electrical Pack Kit; For Single Stage Nitrous Kits; Incl. Micro Switch/Bracket;

Part Number: NOS-15634NOS

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NOS Dual-Stage Big Shot Nitrous Oxide Systems 02401NOS

Nitrous Oxide System, Dual Stage Big Shot, Wet, 175-400 hp, 10 lb. Bottle, Blue, Square Bore, 4-Barrel, Kit

Part Number: NOS-02401NOS

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

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Estimated Ship Date: Nov 13, 2025 if ordered today

Nitrous Express Wildcat Side x Side Nitrous Systems 67100-00P