BUICK ROADMASTER Air & Fuel Delivery

Quick Fuel HR-Series 680 CFM 4-Barrel Carburetor HR-680-VS

Carburetor, HR-Series, Gasoline, 680 cfm, 4-Barrel, Square Bore, Vacuum Secondaries, Electric Choke, Each

Part Number: QFT-HR-680-VS

4.62 out of 5 stars ( 21 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-511-3AX

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 3.5 in. Display, Kit

Part Number: SNE-550-511-3AX

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

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

Part Number: SNE-550-511-BXX

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Demon Carburetion Street Demon 750 CFM 4-Barrel Carburetor 1904

Carburetor, Street Demon, 750 cfm, 4-Barrel, Square Bore/Spread Bore, Electric Choke, Composite Bowl, Each

Part Number: DEM-1904

4.5 out of 5 stars ( 70 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

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

Part Number: SNE-550-511-BPX

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Quick Fuel Q-Series 4-Barrel 850 CFM 4-Barrel Carburetor Q-850

Carburetor, Gasoline, 4150, 850 cfm, 4-Barrel, Down-Leg, Billet Metering Blocks, Dual Inlet, Each

Part Number: QFT-Q-850

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Quick Fuel HR-Series 780 CFM 4-Barrel Carburetor HR-780-VS

Carburetor, HR-Series, Gasoline, 780 cfm, 4-Barrel, Square Bore, Vacuum Secondaries, Electric Choke, Each

Part Number: QFT-HR-780-VS

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Quick Fuel Q-Series 4-Barrel 1,050 CFM 4-Barrel Carburetor Q-1050

Carburetor, Gasoline, 4150, 1,050 cfm, 4-Barrel, Down-Leg, Billet Metering Blocks, Drag Race, Dual Inlet, Each

Part Number: QFT-Q-1050

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems 550-511-5XK

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

Part Number: SNE-550-511-5XK

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Demon Carburetion Street Demon 750 CFM 4-Barrel Carburetor 1903

Carburetor, Street Demon, 750 cfm, 4-Barrel, Square Bore/Spread Bore, Electric Choke, Aluminum Bowl, Each

Part Number: DEM-1903

4.56 out of 5 stars ( 36 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Painless Performance Fuel Injection Harnesses 60502

Painless Performance Fuel Injection Harnesses 60502

Wiring Harness, Fuel Injection, GM, MFI, Front Mount Fuse Block, Spade Fuse, 4L60E Trans, Universal, Kit

Part Number: PRF-60502

4.33 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Quick Fuel Slayer Series 450 CFM 4-Barrel Carburetor SL-450-VSTRF

Carburetor, Slayer Series, 450 cfm, Vacuum Secondary, Front Position, Tunnel Ram, 4-Barrel, Square Bore, Tumble Polished, Each

Part Number: QFT-SL-450-VSTRF

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Sniper EFI Stealth 4150 Fuel Injection Systems 550-872

Fuel Injection Systems, Sniper EFI, Stealth 4150, 650 HP Max, Throttle Body, Gold, 4150 Flange, Injectors, Wiring Harness, Tuner, Kit

Part Number: SNE-550-872

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Sniper EFI Stealth 4150 Fuel Injection Systems 550-872K

Fuel Injection Systems, Sniper EFI, Stealth 4150, 650 HP Max, Throttle Body, Gold, 4150 Flange, Injectors, Fuel Pump, Regulator, Harness, Tuner, Kit

Part Number: SNE-550-872K

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

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

Part Number: SNE-550-511-BPK

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Quick Fuel SS-Series 750 CFM 4-Barrel Carburetor SS-750-AN

Carburetor, Gasoline, Super Street, 750 cfm, 4-Barrel, Annular, Electric Choke, Mechanical Secondary, Dual Inlet

Part Number: QFT-SS-750-AN

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Quick Fuel Q-Series 4-Barrel 750 CFM 4-Barrel Carburetor Q-750-B2

Carburetor, Gasoline, 4150, 750 cfm, 4-Barrel, Down-Leg, For Dual Carbureted Blower Engines, Each

Part Number: QFT-Q-750-B2

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems 550-511-3XR

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

Part Number: SNE-550-511-3XR

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Quick Fuel Slayer Series 450 CFM 4-Barrel Carburetor SL-450-VSTRR

Carburetor, Slayer Series, 450 cfm, Vacuum Secondary, Rear Position, Tunnel Ram, 4-Barrel, Square Bore, Tumble Polished, Each

Part Number: QFT-SL-450-VSTRR

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems 550-510-5XX

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

Part Number: SNE-550-510-5XX

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

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

Part Number: SNE-550-510-BXX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Sniper EFI Stealth 4500 Fuel Injection Systems 550-842

Fuel Injection Systems, Sniper EFI, Stealth 4500, Throttle Body, Black, 4500 Flange, 1440 cfm, Fuel Injectors, Harness, Tuner, Kit

Part Number: SNE-550-842

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

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

Part Number: SNE-550-510-BPX

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-511-BAX

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, Bluetooth, Kit

Part Number: SNE-550-511-BAX

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

ACDelco Replacement Fuel Injectors 19110538

Fuel Injector, Replacement, Buick, Cadillac, Chevy, GMC, Isuzu, Oldsmobile, Each

Part Number: ADO-217-2286

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air