Davis Unified Ignition Ford Duraspark Distributors 31720RD

5 out of 5 stars ( 2 )

Part Number: DUI-31720RD

$329.00

Distributor, Duraspark, Vacuum, Mechanical Advance, Red Cap, Ford, Small Block, 289/302, Each
See More Specifications | Check the Fit

Davis Unified Ignition Ford Duraspark Distributors 31720RD

Davis Unified Ignition Ford Duraspark Distributors 31720RD

DUI-31720RD

5 out of 5 stars ( 2 )

Part Number: DUI-31720RD

Estimated Ship Date: Jun 9, 2026

$329.00

Estimated Ship Date: Jun 9, 2026 Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
31720RD
Part Type:
Product Line:
Summit Racing Part Number:
DUI-31720RD
UPC:
887753290502
Distributor Cap Included:
Yes
Distributor Cap Style:
Male/HEI
Distributor Cap Type:
Large cap
Ignition Coil Included:
No
Ignition Module Included:
Yes
Computer-Controlled Compatible:
No
Trigger Style:
Magnetic
Advance Type:
Vacuum and mechanical
Ignition Box Required:
No
Mechanical Tach Drive:
No
Slip Collar:
No
Distributor Gear Material:
Iron
Distributor Gear Rotation:
Standard
Distributor Cap Color:
Red
Housing Material:
Aluminum
Housing Finish:
Natural
Marine Use:
No
Remanufactured:
No
Quantity:
Sold individually.

Davis Unified Ignition Ford Duraspark Distributors

Davis Unified Ignition Ford Duraspark distributors are high performance units for those who want a completely stock appearing or factory-style electronic distributor. They are custom-calibrated on a distributor machine and blueprinted to provide maximum power, torque, and instant throttle response. DUI tunes the centrifugal advance using information about the vehicle and engine such as cam duration and lift, carburetor size, compression ratio, vehicle weight, and fuel octane. A super smooth advance curve assures excellent performance and mileage. The vacuum advance is calibrated for maximum fuel economy and light throttle ping is eliminated. The weak factory center bushing is replaced with a full-length bronze oil-impregnated bushing to provide increased durability and cure top-end timing fluctuation, a common problem in these distributors. Davis Unified Ignition Ford Duraspark distributors can be used for everything from everyday street use to all-out racing. They are capable of up to 10,000 rpm with a DUI Dyna-Module and Inferno Coil kit (with other modules and coils, rpm ability is not guaranteed). They come with a brass terminal cap and rotor in your choice of cap colors.

Replacement Parts

 Loading...

Applications

 Loading...
 Loading...

Questions & Answers

Ask a Question

What type of question would you like to submit?

I have a Customer Service question
(order, shipping, returns, protection plans, etc.). Customer Service Question
- OR -
I would like to ask other customers
a question about this Product. Product Related Question
 Loading...

Reviews Write a Review

Some parts are not legal for use in California or other states with similar laws / regulations

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

CA Warning Icon

Cancer and Reproductive Harm -- www.P65Warnings.ca.gov

Email this page

Call now to speak with a sales specialist!

Call Now!

1-800-230-3030