Availability
Davis Unified Ignition (DUI) Distributors & More
Distributor, HEI, Mechanical/Vacuum Advance, Blue Cap, Cadillac, V8, Each
Part Number: DUI-83720BL
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Distributor, HEI, ZZ454 Crate Engine, Mechanical/Vacuum Advance, Clear Cap, Chevy, Big Block, Each
Part Number: DUI-12720ZZ454CL
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Distributor, HEI, Mechanical Advance, Black Cap, Ford, Small Block Windsor, Each
Part Number: DUI-M31820BK
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Distributor, HEI, Mechanical Advance, Blue Cap, Ford, Small Block Windsor, Each
Part Number: DUI-M358212BL
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Distributor, Marine Performance D.U.I., Male/HEI, HEI In-cap Coil Red Cap, Mechanical, Polished, Iron Gear, Standard Rotation, Olds, 5.7L/7.5L, Each
Part Number: DUI-M42720RD
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Distributor, HEI, Vacuum, Mechanical Advance, Blue Cap, International V8, Each
Part Number: DUI-90900BL
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Distributor, HEI, Mechanical Advance, Black Cap, International, 404, 446, Each
Part Number: DUI-90902BK
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Distributor, HEI, Vacuum, Mechanical Advance, Yellow Cap, Each
Part Number: DUI-40820YL
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Distributor, HEI, Mechanical/Vacuum Advance, Red Cap, GM V6, 2.8L, Each
Part Number: DUI-167211RD
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Distributor, HEI, Vacuum, Mechanical Advance, Red Cap, Ford, Small Block, Each
Part Number: DUI-318211RD
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Distributor, Duraspark, HEI, Vacuum, Mechanical Advance, Red Cap, Ford, Small Block, 351W, Each
Part Number: DUI-35720RD
Not Yet Reviewed
Distributor, HEI, Vacuum, Mechanical Advance, Black Cap, Ford, 351C, 351M, 400, 429, 460, Each
Part Number: DUI-32820BK
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Distributor, HEI, Vacuum, Mechanical Advance, Clear Cap, Ford, 351C, 351M, 400, 429, 460, Each
Part Number: DUI-32820CL
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Distributor, HEI, Vacuum, Mechanical Advance, Yellow Cap, Ford, 351C, 351M, 400, 429, 460, Each
Part Number: DUI-32820YL
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Distributor, HEI, ZZ383 Crate Engine, Mechanical/Vacuum Advance, Red Cap, Chevy, Small Block, Each
Part Number: DUI-12720ZZ383RD
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Distributor, HEI, Mechanical Advance, Black Cap, Ford, Small Block Windsor, Each
Part Number: DUI-M35820BK
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Davis Unified Ignition Marine Performance D.U.I. Distributors M35820BL
Estimated Ship Date: Monday 2/9/2026
Distributor, HEI, Mechanical Advance, Yellow Cap, Ford, Small Block Windsor, Each
Part Number: DUI-M35820YL
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Davis Unified Ignition Marine Performance D.U.I. Distributors M35820BL
Estimated Ship Date: Monday 2/9/2026
Distributor, HEI, Mechanical/Vacuum Advance, Yellow Cap, Chevy, Big/Small Block, Each
Part Number: DUI-12720YL
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Distributor, HEI, Vacuum, Mechanical Advance, Red Cap, Ford, Small Block, Each
Part Number: DUI-31820RD
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Distributor, HEI, Vacuum, Mechanical Advance, Yellow Cap, Ford, Small Block, Each
Part Number: DUI-31820YL
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Distributor, HEI, Vacuum, Mechanical Advance, Yellow Cap, Ford, Small Block, 351W, Each
Part Number: DUI-35820YL
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Distributor, HEI, Vacuum, Mechanical Advance, Blue Cap, Oldsmobile V8, Each
Part Number: DUI-42720BL
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Distributor, HEI, Mechanical/Vacuum Advance, Clear Cap, Oldsmobile V8, Each
Part Number: DUI-42720CL
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Distributor, HEI, Mechanical/Vacuum Advance, Blue Cap, Chevy, Big/Small Block, Each
Part Number: DUI-15720BL
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Distributor, HEI, Mechanical/Vacuum Advance, Clear Cap, Chevy, Big/Small Block, Each
Part Number: DUI-15720CL
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster