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Davis Unified Ignition Marine Performance D.U.I. Distributors M12720BL

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

Part Number: DUI-M12720BL

4.71 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

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Sierra Marine Thunderbolt IV HEI Distributors 18-5470

Distributor, Hall-Effect, Male Cap, Thunderbolt, Standard Rotating, Mercruiser, V8, Each

Part Number: RRA-18-5470

3.0 out of 5 stars ( 2 )

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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Sierra Marine Thunderbolt IV HEI Distributors 18-5471

Distributor, Hall-Effect, Male Cap, Thunderbolt, Standard Rotating, Mercruiser, V6, Each

Part Number: RRA-18-5471

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Davis Unified Ignition Marine Performance D.U.I. Distributors M35820BL

Distributor, HEI, Mechanical Advance, Blue Cap, Ford, Small Block Windsor, Each

Part Number: DUI-M35820BL

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Davis Unified Ignition Marine Performance D.U.I. Distributors M12720RD

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

Part Number: DUI-M12720RD

4.88 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Marine Performance D.U.I. Distributors M35820RD

Distributor, HEI, Mechanical Advance, Red Cap, Ford, Small Block Windsor, Each

Part Number: DUI-M35820RD

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

PerTronix Flame-Thrower Plug and Play Marine Distributors with Ignitor II® Module D200810

PerTronix Flame-Thrower Plug and Play Marine Distributors with Ignitor II® Module D200810

Distributor, Marine, Plug and Play, Magnetic, Mechanical Advance, Black Cap, Chevy, Big/Small Block, Each

Part Number: PNX-D200810

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Davis Unified Ignition Marine Performance D.U.I. Distributors M31820BK

Distributor, HEI, Mechanical Advance, Black Cap, Ford, Small Block Windsor, Each

Part Number: DUI-M31820BK

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Davis Unified Ignition Marine Performance D.U.I. Distributors M35820RRBK

Distributor, Marine Performance D.U.I., Male/HEI, HEI In-cap Coil Black Cap, Mechanical, Polished, Iron Gear, Reverse Rotation, Ford, 5.8L/351W, Each

Part Number: DUI-M35820RRBK

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Davis Unified Ignition Marine Performance D.U.I. Distributors M12720YL

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

Part Number: DUI-M12720YL

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Davis Unified Ignition Marine Performance D.U.I. Distributors M32820BL

Distributor, HEI, Mechanical Advance, Blue Cap, Ford, Cleveland, Modified, Big Block 385, Each

Part Number: DUI-M32820BL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Davis Unified Ignition Marine Racing D.U.I. Distributors M127212BK

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

Part Number: DUI-M127212BK

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Davis Unified Ignition Marine EFI D.U.I. Distributors M12611BK

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

Part Number: DUI-M12611BK

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Davis Unified Ignition Marine Racing D.U.I. Distributors M127212RD

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

Part Number: DUI-M127212RD

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Davis Unified Ignition Marine Performance D.U.I. Distributors M12720CL

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

Part Number: DUI-M12720CL

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Sierra Marine Thunderbolt IV HEI Distributors 18-5470

3 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Marine Performance D.U.I. Distributors M32820YL

Distributor, HEI, Mechanical Advance, Yellow Cap, Ford, Cleveland, Modified, Big Block 385, Each

Part Number: DUI-M32820YL

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Davis Unified Ignition Marine Racing D.U.I. Distributors M127212CL

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

Part Number: DUI-M127212CL

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Davis Unified Ignition Marine Racing D.U.I. Distributors M127212YL

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

Part Number: DUI-M127212YL

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Davis Unified Ignition Marine Performance D.U.I. Distributors M32820RD

Distributor, HEI, Mechanical Advance, Red Cap, Ford, Cleveland, Modified, Big Block 385, Each

Part Number: DUI-M32820RD

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Davis Unified Ignition Marine Racing D.U.I. Distributors M318212BK

Distributor, HEI, Mechanical Advance, Black Cap, Ford, Small Block Windsor, Each

Part Number: DUI-M318212BK

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Davis Unified Ignition Marine Racing D.U.I. Distributors M358212BL

Distributor, HEI, Mechanical Advance, Blue Cap, Ford, Small Block Windsor, Each

Part Number: DUI-M358212BL

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Davis Unified Ignition Marine Racing D.U.I. Distributors M318212YL

Distributor, HEI, Mechanical Advance, Yellow Cap, Ford, Small Block Windsor, Each

Part Number: DUI-M318212YL

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Davis Unified Ignition Marine Performance D.U.I. Distributors M35820YL

Distributor, HEI, Mechanical Advance, Yellow Cap, Ford, Small Block Windsor, Each

Part Number: DUI-M35820YL

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Davis Unified Ignition Marine Performance D.U.I. Distributors M35820BL

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Marine Racing D.U.I. Distributors M318212RD

Distributor, HEI, Mechanical Advance, Red Cap, Ford, Small Block Windsor, Each

Part Number: DUI-M318212RD

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

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