Pertronix
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PerTronix LU-142A Ignitor Electronic Ignition Conversion Kit, Compatible with Lucas 25D 4 Cylinder
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PerTronix LU-142A Ignitor Electronic Ignition Conversion Kit, Compatible with Lucas 25D 4 Cylinder
The igniter replaces breaking points and annoying factory electronic ignitions with reliable, self-contained and maintenance-free electronic ignition.
PerTronix LU-142A Ignitor Electronic Ignition Conversion Kit, Compatible with Lucas 25D 4 Cylinder
Item #: 712623

PerTronix LU-142A Ignitor Electronic Ignition Conversion Kit, Compatible with Lucas 25D 4 Cylinder

89% of respondents would recommend this to a friend

Item #: 712623

LAK 4894951

Price Details

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*All items will import from US

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Order now and get it around Thursday, August 27
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The igniter replaces breaking points and annoying factory electronic ignitions with reliable, self-contained and maintenance-free electronic ignition.
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What Stands Out

Enhanced Ignition
The PerTronix Ignitor improves spark reliability, providing faster starts and smoother engine performance, significantly reducing misfires compared to traditional points systems.
Easy Installation
Designed for seamless fitment, the Ignitor unit replaces points effortlessly, allowing users to upgrade their ignition system without extensive modifications or specialized tools.
Durable Design
Constructed with high-quality materials, the Ignitor ensures long-lasting operation, enduring extreme conditions and vibrations, thus minimizing the need for frequent replacements.

Product Details

Upgrade your ignition system with PerTronix LU-142A Ignitor. Replaces breaker points and factory electronic ignitions. Quick installation and no clutter in engine compartment. Buy now at Ubuy Laos!
  • Delivers twice the voltage to spark plugs for increased horsepower and fuel economy
  • 2:1 improvement over points in current fall time for increased coil output
  • Rotating cobalt magnets trigger Hall Effect integrated circuit, no points to burn or wear out
  • Epoxy molding makes module impervious to dirt, oil, grease, and moisture
  • Stable timing, no need for adjustments
  • Compatible with Flame-Thrower 40,000 volt coils for optimal performance
Package Weight1 Pound

Who Should Buy?

Suitable For
  • Classic Car Owners

    Ideal for classic car enthusiasts wanting reliable electronic ignition for improved performance and reliability.

  • Performance Tuners

    Great choice for individuals enhancing engine performance and looking to optimize ignition timing.

  • DIY Mechanics

    Perfect for do-it-yourselfers who want an easy installation process for upgrading their ignition system.

Not Suitable For
  • Modern Vehicle Users

    Not suitable for modern vehicles that utilize advanced ignition systems and require specific electronic components.

Product Description

PerTronix LU-142A Ignitor Electronic Ignition Conversion Kit, Compatible with Lucas 25D 4 Cylinder

About This Item

Looking for a reliable and easy to install electronic ignition system for your Lucas 25D 4 Cylinder engine? Look no further than the PerTronix LU-142A Ignitor! With over 30 years of proven success in a wide range of applications from race cars to tractors, the Ignitor is a trusted choice for those looking to replace their troublesome factory ignition system. Say goodbye to breaker points and hello to a maintenance-free and self-contained ignition system that is nearly undetectable under your distributor cap. The PerTronix LU-142A Ignitor is known as the "stealth ignition" for its quick installation and clutter-free design.

Plus, for the ultimate performance upgrade, pair it with Flame-Thrower 40,000 volt coils. Stop worrying about your ignition system and experience reliable and optimal performance with the PerTronix LU-142A Ignitor conversion kit. Don't settle for anything less when it comes to your engine's ignition - upgrade today!.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the PerTronix LU-142A Ignitor and what does it do?

    Answer: The PerTronix LU-142A Ignitor is a solid-state ignition upgrade designed specifically for Lucas 25D distributors on 4-cylinder engines. It replaces traditional points systems, enhancing ignition performance by providing a more reliable spark, leading to better fuel efficiency and smoother engine operation. This is especially beneficial for classic vehicle enthusiasts looking to modernize their ignition system without extensive modifications.
  • Question: Is installation of the PerTronix LU-142A Ignitor difficult?

    Answer: Installation of the PerTronix LU-142A Ignitor is relatively straightforward and can typically be completed without professional assistance. The kit includes comprehensive instructions and is designed to fit directly into the existing Lucas 25D distributor. This allows users to easily upgrade their ignition system in a short amount of time, making it a popular choice for DIY mechanics and classic car restorers.
  • Question: Will the PerTronix LU-142A Ignitor work with aftermarket ignition coils?

    Answer: Yes, the PerTronix LU-142A Ignitor is compatible with most aftermarket ignition coils, enhancing the ignition system’s performance. Using a compatible coil can further improve the electrical spark provided to the engine, which leads to improved fuel combustion and performance. This flexibility allows users to customize their ignition setup to better meet their performance needs.
  • Question: What vehicles are compatible with the PerTronix LU-142A Ignitor?

    Answer: The PerTronix LU-142A Ignitor is specifically designed for vehicles that utilize the Lucas 25D distributor found in many classic British 4-cylinder cars. This includes models from brands like MG, Triumph, and others. Owners of these classic vehicles can easily enhance their ignition performance without losing the authenticity of their engine's existing setup.
  • Question: How does the PerTronix LU-142A Ignitor improve engine performance?

    Answer: The PerTronix LU-142A Ignitor improves engine performance by providing a more consistent and stronger spark, which enhances combustion efficiency. This leads to improved throttle response, better fuel economy, and smoother idling. For classic car owners, this means a more enjoyable driving experience, especially during everyday use or on classic car shows where reliability is key.
  • Question: Do I need to make any adjustments after installing the PerTronix LU-142A Ignitor?

    Answer: In most cases, no additional adjustments are required after installing the PerTronix LU-142A Ignitor. The unit is designed to operate with the existing timing settings of your vehicle. However, it’s always beneficial to check the timing after installation to ensure optimal performance. This will help in maximizing the ignition efficiency, providing a significant boost in vehicle performance.
  • Question: Does the PerTronix LU-142A Ignitor require any special maintenance?

    Answer: The PerTronix LU-142A Ignitor is designed to be low maintenance compared to traditional points systems. There are no moving parts that would typically wear out, and it does not require regular adjustments. Routine checks to ensure connections are tight and free of corrosion can help to maintain optimal performance. This reliability makes it an excellent upgrade for vintage car owners looking for less hassle.
  • Question: What makes the PerTronix LU-142A Ignitor a better choice than traditional points?

    Answer: The PerTronix LU-142A Ignitor offers several advantages over traditional points ignition systems, such as increased reliability, significantly reduced maintenance, and improved performance. Unlike points, which can wear and need frequent adjustment, the ignitor uses electronic components for faster, more efficient firing. This translates into better horsepower, quicker starts, and smoother operation, making it ideal for classic car enthusiasts seeking modern performance.
  • Question: Can the PerTronix LU-142A Ignitor be used with solid state regulators?

    Answer: Yes, the PerTronix LU-142A Ignitor can be used with solid state regulators, which complement its electronic functionality. This combination can further stabilize voltage and enhance overall ignition performance. Especially in classic vehicles where voltage fluctuations can affect performance, pairing with a solid state regulator can provide a more robust and reliable ignition system.
  • Question: Where can I buy PerTronix LU-142A Ignitor for Lucas 25D 4 Cylinder?

    Answer: You can purchase the PerTronix LU-142A Ignitor for Lucas 25D 4 Cylinder from Ubuy in Laos. Ubuy offers a wide range of automotive parts, ensuring that you get genuine products with reliable service. Shopping through Ubuy also provides access to customer support and detailed product information to help you make an informed decision.

Pertronix Igniters Editorial Review

The PerTronix LU-142A Ignitor for Lucas 25D 4 Cylinder is a highly recommended upgrade for classic cars with distributors and points. It significantly improves engine performance, fuel economy, and reliability. Installation is quick and easy for those with automotive knowledge, although the instructions could be more specific. The Ignitor eliminates the need for points and requires no maintenance. It is designed for a 12-volt system and works best with a compatible coil. Overall, the PerTronix LU-142A Ignitor is a must-have for any MG user or classic car enthusiast.

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Pros

  • Significantly improves engine performance
  • Increases fuel economy
  • Quick and easy installation
  • Eliminates the need for points
  • Requires no maintenance
  • Reliable and long-lasting

Cons

  • Instructions could be more specific

Platform Trust & Buyer Confidence

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4.2/5 9250 + reviews
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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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LAK 4894951

Order now and get it around Thursday, August 27

QTY:

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Fastest cross-border delivery

Features & Benefits

  • Over thirty years of proven performance in various applications.
  • Easy installation with a stealth design that remains hidden under the distributor cap.
  • No bulky black box, saving space in the engine compartment.
  • Delivers twice the voltage to spark plugs for enhanced power and fuel economy.
  • No points to burn or moving parts to wear, ensuring longevity.
  • Epoxy resin construction resists dirt, oil, grease, and moisture for durability.

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