MERCURY GRAND MARQUIS Davis Unified Ignition - Free Shipping on Orders Over $109 at Summit Racing

Davis Unified Ignition Ford Street/Strip D.U.I. Distributors 35820BL

Distributor, HEI, Vacuum, Mechanical Advance, Blue Cap, Ford, Small Block, 351W, Each

Part Number: DUI-35820BL

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Ford Street/Strip D.U.I. Distributors 32820BL

Distributor, HEI, Vacuum, Mechanical Advance, Blue Cap, Ford, 351C, 351M, 400, 429, 460, Each

Part Number: DUI-32820BL

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Ford Street/Strip D.U.I. Distributors 31820BK

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

Part Number: DUI-31820BK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Davis Unified Ignition Ford Street/Strip D.U.I. Distributors 32820RD

Distributor, HEI, Vacuum, Mechanical Advance, Red Cap, Ford, 351C, 351M, 400, 429, 460, Each

Part Number: DUI-32820RD

4.67 out of 5 stars ( 3 )

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Summit Racing™ Blueprinted HEI Ford 351C, 351M, 400, 429, 460 Distributor SUM-850026

4.75 out of 5 stars ( 24 )

Estimated Ship Date: Tomorrow

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Davis Unified Ignition Ford Duraspark Distributors 32720BL

Distributor, Duraspark, Vacuum, Mechanical Advance, Blue Cap, Ford, 351C, 351M, 400, 429, 460

Part Number: DUI-32720BL

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Davis Unified Ignition Ford Street/Strip D.U.I. Distributors 31820BL

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

Part Number: DUI-31820BL

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Davis Unified Ignition Ford Duraspark Distributors 31720BL

Distributor, Duraspark, Vacuum, Mechanical Advance, Blue Cap, Ford, Small Block, 289/302, Each

Part Number: DUI-31720BL

2.0 out of 5 stars ( 1 )

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Davis Unified Ignition Ford Racing D.U.I. Distributors 318211RD

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

Part Number: DUI-318211RD

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

Davis Unified Ignition Ford Racing D.U.I. Distributors 358212BK

Distributor, HEI, Mechanical Advance, Black Cap, Ford, Small Block, 351W, Each

Part Number: DUI-358212BK

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Davis Unified Ignition Ford Duraspark Distributors 35720RD

Distributor, Duraspark, HEI, Vacuum, Mechanical Advance, Red Cap, Ford, Small Block, 351W, Each

Part Number: DUI-35720RD

Not Yet Reviewed

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Davis Unified Ignition Ford Duraspark Distributors 31720RD

Distributor, Duraspark, Vacuum, Mechanical Advance, Red Cap, Ford, Small Block, 289/302, Each

Part Number: DUI-31720RD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

Davis Unified Ignition SOS Ignition Coil Packs 31750

Ignition Coil Pack, SOS, Square, Epoxy Filled, Black, 40,000 V, Set of 8

Part Number: DUI-31750

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Davis Unified Ignition Ford Street/Strip D.U.I. Distributors 31820RD

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

Part Number: DUI-31820RD

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Davis Unified Ignition Ford Racing D.U.I. Distributors 318211BK

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

Part Number: DUI-318211BK

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Davis Unified Ignition Ford Racing D.U.I. Distributors 318211BL

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

Part Number: DUI-318211BL

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Davis Unified Ignition Ford Racing D.U.I. Distributors 318211CL

Distributor, HEI, Vacuum, Mechanical Advance, Clear Cap, Ford, Small Block, Each

Part Number: DUI-318211CL

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Davis Unified Ignition Ford Racing D.U.I. Distributors 318211YL

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

Part Number: DUI-318211YL

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Davis Unified Ignition Ford Racing D.U.I. Distributors 318212BK

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

Part Number: DUI-318212BK

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Davis Unified Ignition Ford Racing D.U.I. Distributors 318212BL

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

Part Number: DUI-318212BL

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Davis Unified Ignition Ford Racing D.U.I. Distributors 318212CL

Distributor, HEI, Mechanical Advance, Clear Cap, Ford, Small Block, Each

Part Number: DUI-318212CL

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Davis Unified Ignition Ford Racing D.U.I. Distributors 318212RD

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

Part Number: DUI-318212RD

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Davis Unified Ignition Ford Racing D.U.I. Distributors 318212YL

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

Part Number: DUI-318212YL

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Davis Unified Ignition Ford Street/Strip D.U.I. Distributors 32820CL

Distributor, HEI, Vacuum, Mechanical Advance, Clear Cap, Ford, 351C, 351M, 400, 429, 460, Each

Part Number: DUI-32820CL

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Davis Unified Ignition Ford Street/Strip D.U.I. Distributors 32820YL

Distributor, HEI, Vacuum, Mechanical Advance, Yellow Cap, Ford, 351C, 351M, 400, 429, 460, Each

Part Number: DUI-32820YL

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Davis Unified Ignition Ford Racing D.U.I. Distributors 328211BK

Distributor, HEI, Vacuum, Mechanical Advance, Black Cap, Ford, 351C, 351M, 400, 429, 460, Each

Part Number: DUI-328211BK

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

MERCURY GRAND MARQUIS Davis Unified Ignition Parts and Accessories