Programmable Single Fire Ignition Module 70-03 Harley-davidson Big Twin Sportster 53-660

Description

Programmable single fire electronic ignition module for Harley-Davidson Big Twin and Sportster models, designed to control ignition timing and firing operation on compatible nose-cone ignition engines. This unit is used as part of an electronic ignition system for single fire applications and is suitable for replacing or cross-referencing with Ultima 53-660 ignition systems on the listed motorcycle applications.

Features

  • Programmable electronic ignition control for single fire ignition systems
  • Supports ignition timing control on compatible Harley-Davidson Big Twin and Sportster engines
  • Suitable for nose-cone ignition applications
  • Provides programmed ignition curves for a range of engine builds
  • Includes support for adjustable retard timing where used with the correct programming setup
  • Compatible with data recovery functions when used with the required programming software kit
  • Designed for use with single fire coil ignition arrangements
  • Provides intelligent over-voltage and over-current protection where supplied as part of the equivalent Ultima ignition system
  • Supports short-circuit protection where supplied as part of the equivalent Ultima ignition system

Specifications

  • Ignition type: Single fire electronic ignition
  • Programmable dead cranking revolutions: 0-10
  • Programmable rear cylinder offset: +/- 10 degrees
  • Programmable rev limiter
  • Compatible with single fire coil output exceeding 30,000 volts when used with the equivalent Ultima 53-660 ignition kit
  • Data recording capability includes total engine hours
  • Data recording capability includes time at wide open throttle
  • Data recording capability includes number of engine starts
  • Data recording capability includes longest time operating at wide open throttle
  • Data recording capability includes maximum rpm
  • Data recording capability includes seconds near rev limit
  • Programming and data recovery functions require the appropriate programming software kit

Cross-Reference OEM Part Numbers

  • Ultima 53-660
  • Ultima 60-53-660-06

Vehicle Fitments

  • Harley-Davidson Big Twin 1970-1999, except Twin Cam models
  • Harley-Davidson Sportster 1986-2003
  • Harley-Davidson Sportster 1971-2003 where listed for Ultima 53-660 applications, except S models
  • Not suitable for fuel-injected models

Programmable Single Fire Ignition Module 70-03 Harley-davidson Big Twin Sportster 53-660

Product form

Programmable single fire electronic ignition module for Harley-Davidson Big Twin and Sportster models, designed to control ignition timing and firing... Read more

1 in stock 1-2 business days

£172.80 Incl. VAT

    • Guaranteed secure & safe checkout.

      shop pay

    SKU: 44-6891
    Barcode: 0120000111800

    • Free shipping on all orders above £75
    • No hassle returns within 30 days

    Description

    Programmable single fire electronic ignition module for Harley-Davidson Big Twin and Sportster models, designed to control ignition timing and firing operation on compatible nose-cone ignition engines. This unit is used as part of an electronic ignition system for single fire applications and is suitable for replacing or cross-referencing with Ultima 53-660 ignition systems on the listed motorcycle applications.

    Features

    • Programmable electronic ignition control for single fire ignition systems
    • Supports ignition timing control on compatible Harley-Davidson Big Twin and Sportster engines
    • Suitable for nose-cone ignition applications
    • Provides programmed ignition curves for a range of engine builds
    • Includes support for adjustable retard timing where used with the correct programming setup
    • Compatible with data recovery functions when used with the required programming software kit
    • Designed for use with single fire coil ignition arrangements
    • Provides intelligent over-voltage and over-current protection where supplied as part of the equivalent Ultima ignition system
    • Supports short-circuit protection where supplied as part of the equivalent Ultima ignition system

    Specifications

    • Ignition type: Single fire electronic ignition
    • Programmable dead cranking revolutions: 0-10
    • Programmable rear cylinder offset: +/- 10 degrees
    • Programmable rev limiter
    • Compatible with single fire coil output exceeding 30,000 volts when used with the equivalent Ultima 53-660 ignition kit
    • Data recording capability includes total engine hours
    • Data recording capability includes time at wide open throttle
    • Data recording capability includes number of engine starts
    • Data recording capability includes longest time operating at wide open throttle
    • Data recording capability includes maximum rpm
    • Data recording capability includes seconds near rev limit
    • Programming and data recovery functions require the appropriate programming software kit

    Cross-Reference OEM Part Numbers

    • Ultima 53-660
    • Ultima 60-53-660-06

    Vehicle Fitments

    • Harley-Davidson Big Twin 1970-1999, except Twin Cam models
    • Harley-Davidson Sportster 1986-2003
    • Harley-Davidson Sportster 1971-2003 where listed for Ultima 53-660 applications, except S models
    • Not suitable for fuel-injected models

    Shipping & Delivery

    How long will my item take to arrive?

    Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

    Where do you ship to?

    We currently only ship orders within the UK.

    How can I track my order?

    Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

    Can I collect my order?

    Unfortunately we do not offer order collections from our fulfilment centre.

    WHY NOT CHECK OUT

    Recently viewed products

      © 2026 Radhouse, Powered by Shopify

        • American Express
        • Apple Pay
        • Diners Club
        • Discover
        • Google Pay
        • Maestro
        • Mastercard
        • PayPal
        • Shop Pay
        • Union Pay
        • Visa