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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Nitrous Express Dual Stage Upgrade For Dual Stage Throttle Body Plates NX933D

Nitrous Express Dual Stage Upgrade For Dual Stage Throttle Body Plates NX933D

Nitrous Upgrade, Dual Stage Throttle Body, Kit

Part Number: NEX-NX933D

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Tanks Inc. PA Series Fuel Pumps PA-5

Fuel Pump, PA Series, Electric, In-Tank, High Performance Fuel Pump - 340 Liters Per Hour - Up to 800 hp, 1/4 in. NPT Female Threads Inlet/Outlet, Kit

Part Number: TNK-PA-5

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Nitrous Express LS 102mm Plate Conversions NX933

Nitrous Oxide Plates, LS 102mm Plate Conversion, Throttle Body Plate, Longer Bolts, Braided Line, Jets for 50 to 400 Horsepower, Chevrolet, LS, Kit

Part Number: NEX-NX933

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Nitrous Express LS Plate Conversion Kits NX934

Nitrous Oxide Plate, LS Plate Conversion, 90mm, Aluminum, Black Anodized, 1.000 in. Height, Kit

Part Number: NEX-NX934

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems 550-511-3XX

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 3.5 in. Display, Kit

Part Number: SNE-550-511-3XX

4.63 out of 5 stars ( 16 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems 550-511-3XK

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Inline Pump, 3.5 in. Display, Kit

Part Number: SNE-550-511-3XK

2.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems with Power Distribution Module 550-511-3PK

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Inline Pump, PDM, 3.5 in. Display, Kit

Part Number: SNE-550-511-3PK

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems with Power Distribution Module 550-511-3PK-SBC

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Inline Pump, PDM, 3.5 in. Display, Chevy, Kit

Part Number: SNE-5505113PKSBC

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems with Power Distribution Module 550-511-5PX

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, PDM, 5 in. Display, Kit

Part Number: SNE-550-511-5PX

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems 550-510-3XX

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 3.5 in. Display, Kit

Part Number: SNE-550-510-3XX

3.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems 550-511-5XX

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 5 in. Display, Kit

Part Number: SNE-550-511-5XX

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems 550-510-3XK

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Inline Pump, 3.5 in. Display, Kit

Part Number: SNE-550-510-3XK

4.54 out of 5 stars ( 13 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems with Power Distribution Module 550-511-5PK

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Inline Pump, PDM, 5 in. Display, Kit

Part Number: SNE-550-511-5PK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems with Power Distribution Module 550-511-5PK-SBC

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Inline Pump, PDM, 5.0 in. Display, Chevy, Kit

Part Number: SNE-5505115PKSBC

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems with Power Distribution Module 550-510-5PX

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, PDM, 5 in. Display, Kit

Part Number: SNE-550-510-5PX

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems with Power Distribution Module 550-511-BPX-SBC

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, PDM, Bluetooth, Chevy, Kit

Part Number: SNE-550511BPXSBC

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems with Power Distribution Module 550-511-3PX

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, PDM, 3.5 in. Display, Kit

Part Number: SNE-550-511-3PX

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems with Power Distribution Module 550-510-3PK-SBC

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Inline Pump, PDM, 3.5 in. Display, Chevy, Kit

Part Number: SNE-5505103PKSBC

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026