1963 CADILLAC DEVILLE Air & Fuel Delivery

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

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

Part Number: SNE-550-510-BXK

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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MotoRad OE Replacement-Type Fuel Caps MGC46

Fuel Tank Cap, OE Replacement, Steel, Silver, Chevy, Pontiac, Each

Part Number: SNN-MGC46

2.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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RESTOPARTS® Supplied Air Filter Elements RP02010

Air Filter Elements, RESTOPARTS, Premium, Replacement Element, 14 in. Diameter, 3 in. Tall, Paper Material, Molded Ends, Rubber, Black, Each

Part Number: OPG-RP02010

5.0 out of 5 stars ( 2 )

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RESTOPARTS® Supplied Fuel Filter with Stock Inlet Size CE03354

Fuel Filter, Die-cast Zinc Housing, Paper Element, Cadillac, Each

Part Number: OPG-CE03354

5.0 out of 5 stars ( 1 )

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Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems with Power Distribution Module 550-510-5PR

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

Part Number: SNE-550-510-5PR

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

RESTOPARTS® Manufactured Fuel Tank Mounting Straps CE10492

Fuel Tank Mounting Straps, Steel, Natural, Cadillac, Pair

Part Number: OPG-CE10492

Not Yet Reviewed

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Quick Fuel Q-Series 4-Barrel 950 CFM 4-Barrel Carburetor Q-950-B2

Carburetor, Gasoline, 4150, 950 cfm, 4-Barrel, Down-Leg, For Dual Carbureted Blower Engines, Each

Part Number: QFT-Q-950-B2

Not Yet Reviewed

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Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-5AX

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 5 in. Display, Kit

Part Number: SNE-550-510-5AX

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

MotoRad Locking Fuel Caps MGC92

Fuel Tank Cap, Locking, Plastic, Black, Chevy, Pontiac, Each

Part Number: SNN-MGC92

Not Yet Reviewed

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Quick Fuel Black Diamond Q-Series 2-Barrel 500 CFM 2-Barrel Carburetor XP-4412-A

Carburetor, Alcohol, Holley 2-Barrel Flange, 500 cfm, 2-Barrel, Annular, Circle Track, 1.375 in. Rule, Each

Part Number: QFT-XP-4412-A

Not Yet Reviewed

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Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems with Power Distribution Module 550-511-5PR

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

Part Number: SNE-550-511-5PR

Not Yet Reviewed

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

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

Part Number: SNE-550-511-3PD

Not Yet Reviewed

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Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems with Power Distribution Module 550-510-3PD

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

Part Number: SNE-550-510-3PD

Not Yet Reviewed

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Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems 550-511-BXD

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

Part Number: SNE-550-511-BXD

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Summit Racing™ Locking Fuel Caps SUM-290171

Gas Cap, Locking, Plastic, Black, Each

Part Number: SUM-290171

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

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

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

Part Number: SNE-550-510-5PD

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

FiTech Go EFI 4 600 HP Self-Tuning Fuel Injection Systems 30002

4.25 out of 5 stars ( 170 )

Estimated Ship Date: Today

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Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems 550-510-5XR

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

Part Number: SNE-550-510-5XR

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems 550-510-BXD

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

Part Number: SNE-550-510-BXD

Not Yet Reviewed

Estimated Ship Date: Today

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Edelbrock Accelerator Pump Diaphragms 12400

Mechanical Fuel Pump

Part Number: GMB-530-8620

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today