Davis Unified Ignition (DUI) Distributors & More

Add Davis Unified Ignition products to your ride, and get the horsepower boost you’re looking for. Our Davis Unified Ignition products include distributors to...

Add Davis Unified Ignition products to your ride, and get the horsepower boost you’re looking for. Our Davis Unified Ignition products include distributors to properly deliver high voltage from the coil to the correct cylinder, ignition coils to fire your spark plugs, batteries to power your ride, alternators to charge your battery, and much more! Davis Unified Ignition is a Performance Distributors brand and was the first to launch a performance HEI distributor. The goal of DUI is to provide your engine with more power, torque, and efficiency. Give one of these revolutionary products a try and feel the difference!

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Results 1 - 25 of 173

Davis Unified Ignition Street/Strip Coil Kits 240001BK

HEI Distributor Upgrade Kit, 50,000 V Coil, Cap, Rotor, GM V8, Black, Kit

Part Number: DUI-240001BK

4.56 out of 5 stars ( 52 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Race Coil Kits 121000BK

HEI Distributor Upgrade Kit, 45,000 V Coil, Cap, Rotor, GM V8, Black, Kit

Part Number: DUI-121000BK

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Street/Strip Coil Kits 240001CL

HEI Distributor Upgrade Kit, 50,000 V Coil, Cap, Rotor, GM V8, Clear, Kit

Part Number: DUI-240001CL

4.8 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Street/Strip Coil Kits 240001RD

HEI Distributor Upgrade Kit, 50,000 V Coil, Cap, Rotor, GM V8, Red, Kit

Part Number: DUI-240001RD

4.63 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Street/Strip Coil Kits 240003RD

HEI Distributor Upgrade Kit, 50,000 V Coil, Cap, Rotor, GM 6-Cylinder, Red, Kit

Part Number: DUI-240003RD

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Street/Strip Coil Kits 240001BL

HEI Distributor Upgrade Kit, 50,000 V Coil, Cap, Rotor, GM V8, Blue, Kit

Part Number: DUI-240001BL

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Race Coil Kits 121000CL

HEI Distributor Upgrade Kit, 45,000 V Coil, Cap, Rotor, GM V8, Clear, Kit

Part Number: DUI-121000CL

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Davis Unified Ignition Race Coil Kits 121000RD

HEI Distributor Upgrade Kit, 45,000 V Coil, Cap, Rotor, GM V8, Red, Kit

Part Number: DUI-121000RD

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Davis Unified Ignition Race Coil Kits 121001BK

HEI Distributor Upgrade Kit, 45,000 V Coil, Cap, Rotor, GM V6, Black, Kit

Part Number: DUI-121001BK

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Race Coil Kits 121000BL

HEI Distributor Upgrade Kit, 45,000 V Coil, Cap, Rotor, GM V8, Blue, Kit

Part Number: DUI-121000BL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Davis Unified Ignition Race Coil Kits 121000YL

HEI Distributor Upgrade Kit, 45,000 V Coil, Cap, Rotor, GM V8, Yellow, Kit

Part Number: DUI-121000YL

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Davis Unified Ignition Street/Strip Coil Kits 240002BK

HEI Distributor Upgrade Kit, 50,000 V Coil, Cap, Rotor, GM V8, Black, Kit

Part Number: DUI-240002BK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Davis Unified Ignition Race Coil Kits 121002BK

HEI Distributor Upgrade Kit, 45,000 V Coil, Cap, Rotor, GM 4-Cylinder, Black, Kit

Part Number: DUI-121002BK

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Davis Unified Ignition Street/Strip Coil Kits 240001YL

HEI Distributor Upgrade Kit, 50,000 V Coil, Cap, Rotor, GM V8, Yellow, Kit

Part Number: DUI-240001YL

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Davis Unified Ignition Race Coil Kits 121001BL

HEI Distributor Upgrade Kit, 45,000 V Coil, Cap, Rotor, GM V6, Blue, Kit

Part Number: DUI-121001BL

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Davis Unified Ignition Race Coil Kits 121001RD

HEI Distributor Upgrade Kit, 45,000 V Coil, Cap, Rotor, GM V6, Red, Kit

Part Number: DUI-121001RD

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Davis Unified Ignition Street/Strip Coil Kits 240003BL

HEI Distributor Upgrade Kit, 50,000 V Coil, Cap, Rotor, GM 6-Cylinder, Blue, Kit

Part Number: DUI-240003BL

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Davis Unified Ignition HEI Distributor Terminal Board Wiring Harnesses 106882

Wiring Harness, Capacitor, All D.U.I HEI Distributors, Each

Part Number: DUI-106882

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition GM HEI Disconnect Tools 222222

Internal Coil HEI Battery and Tach Disconnect Tool, Each

Part Number: DUI-222222

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Davis Unified Ignition GM Street/Strip D.U.I. Distributors 12720BK

Distributor, HEI, Mechanical/Vacuum Advance, Black Cap, Chevy, Big Block, Small Block, Each

Part Number: DUI-12720BK

4.41 out of 5 stars ( 46 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Marine Performance D.U.I. Distributors M12720BK

Distributor, HEI, Mechanical Advance, Black Cap, Chevy, Big/Small Block, Each

Part Number: DUI-M12720BK

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Toyota Street/Strip D.U.I. Distributors for 1968-1987 LAND CRUISER - 80820BK

Distributor, HEI, Vacuum, Mechanical Advance, Black Cap, Toyota 6-Cylinder, Each

Part Number: DUI-80820BK

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Davis Unified Ignition GM Street/Strip D.U.I. Distributors 12720RD

Distributor, HEI, Mechanical/Vacuum Advance, Red Cap, Chevy, Big/Small Block, Each

Part Number: DUI-12720RD

4.7 out of 5 stars ( 30 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Ford Street/Strip D.U.I. Distributors 39820BL

Distributor, HEI, Vacuum, Mechanical Advance, Blue Cap, Ford 6-Cylinder, 3.9/4.9L, Each

Part Number: DUI-39820BL

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition AMC Street/Strip D.U.I. Distributors 40620BK

Distributor, HEI, Mechanical/Vacuum Advance, Black Cap, Each

Part Number: DUI-40620BK

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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