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Item #:
19520551
MSD 8501 Ultimate HEI Kit
Item #:
19520551
USD 506
Price Details
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*All items will import from US
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Imported from USA store
Order now and get it around Thursday, July 30
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The ultimate HEI kit has everything you need to make your early model GM HEI distributor a great performance distributor.
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What Stands Out
High Energy Ignition
The MSD 8501 kit features a high energy ignition system, improving starting reliability and providing maximum spark output, ensuring optimal engine performance for enthusiasts and daily drivers alike.
Easy Installation
Designed for user-friendly installation, the kit includes all necessary components and clear instructions, allowing even novice mechanics to upgrade their ignition system efficiently and confidently.
Durable Design
Constructed with high-quality materials, this HEI kit offers exceptional durability and weather resistance, ensuring long-lasting performance and reliability under various driving conditions.
Product Details
| Brand Name | MSD |
| Manufacturer | MSD Ignition |
| UPC | 085132085019 |
| Global Trade Identification Number | 00085132085019 |
| Part Interchange Info | 8501 |
| Part Number | MSD-8501 |
| Model | 8501 |
| Unit Count | 1.0 Count |
| Included Components | MSD 8501 Ultimate HEI Conversion Kit |
| Item Type Name | MSD 8501 Ultimate HEI Conversion Kit |
| Item Dimensions | 9.2 x 6.8 x 6.4 inches (23.4 x 17.3 x 16.3 cm) |
| Item Weight | 1.6 ounces (45.36 grams) |
| Connector Type | Din Or Spade |
| Material Type | Plastic |
| Cable Type | proprietary |
| Brand | MSD |
| Material | Plastic |
| Item dimensions L x W x H | 9.2 x 6.8 x 6.4 inches (23.4 x 17.3 x 16.3 cm) |
Who Should Buy?
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Performance Enthusiasts
Ideal for car enthusiasts seeking performance upgrades to enhance ignition efficiency and engine output.
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Restoration Projects
Perfect for classic car restoration projects where reliable ignition components are crucial for authenticity and performance.
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DIY Mechanics
Great for DIY mechanics looking for an all-in-one kit to simplify the installation of ignition systems in vehicles.
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Casual Drivers
Not suitable for casual drivers who require basic ignition functionality without advanced performance enhancements.
Product Description
MSD 8501 Ultimate HEI Kit
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is included in the MSD 8501 Ultimate HEI Kit?
Answer: The MSD 8501 Ultimate HEI Kit includes an MSD HEI distributor, ignition coil, spark plug wires, and installation instructions. Each component is designed for optimal performance, ensuring reliable spark generation and timing in your engine. This kit is particularly beneficial for those looking to enhance their ignition system efficiency and gain better throttle response, making it ideal for both daily driving and high-performance applications. -
Question:
What type of vehicles can benefit from the MSD 8501 Ultimate HEI Kit?
Answer: The MSD 8501 Ultimate HEI Kit is primarily designed for small block and big block Chevy engines. It’s perfect for classic car restorations or performance upgrades in vehicles that utilize these engines. Installation of this kit allows for improved spark energy and performance, making it suitable for hot rod enthusiasts and those wanting more power and efficiency from their vehicles. -
Question:
How does the MSD 8501 improve ignition performance?
Answer: The MSD 8501 enhances ignition performance by providing a consistent and powerful spark that improves combustion efficiency. This advanced HEI distributor uses modern technology to ensure precise timing and enhanced voltage output. Improved spark leads to better fuel economy and increased horsepower, especially in performance-driven scenarios such as racing or towing. -
Question:
Is the MSD 8501 Ultimate HEI Kit compatible with aftermarket parts?
Answer: Yes, the MSD 8501 Ultimate HEI Kit is compatible with many aftermarket parts. The kit's design allows for easy integration with a variety of ignition systems and enhances the functionality of aftermarket performance components. This compatibility is crucial for car enthusiasts looking to customize their ignition setups for racing, performance modifications, or restoration projects. -
Question:
What are the installation requirements for the MSD 8501 Ultimate HEI Kit?
Answer: Installing the MSD 8501 Ultimate HEI Kit generally requires basic hand tools and some mechanical knowledge. Most users will need a socket set, screwdriver, and possibly a timing light to ensure proper tuning post-installation. The included instructions provide step-by-step guidance, making the kit accessible for both seasoned mechanics and DIYers aiming to upgrade their ignition systems. -
Question:
Can I use the MSD 8501 Ultimate HEI Kit with stock spark plugs?
Answer: Yes, the MSD 8501 Ultimate HEI Kit can be used with stock spark plugs. However, to maximize performance, it’s advisable to pair the kit with high-performance or aftermarket spark plugs designed to complement the enhanced spark energy. This combination ensures optimal combustion and efficiency, especially in applications where increased power output is desired. -
Question:
What advantages does the MSD HEI distributor provide?
Answer: The MSD HEI distributor offers several advantages, including improved ignition timing and increased voltage output. This results in a more reliable ignition spark across a wide RPM range, which is critical for maintaining engine performance. Additionally, the distributor is designed for durability and longevity, making it a cost-effective choice for individuals looking to enhance their vehicle’s reliable operation. -
Question:
What is the difference between the MSD 8501 Ultimate HEI Kit and standard HEI kits?
Answer: The MSD 8501 Ultimate HEI Kit distinguishes itself from standard HEI kits through its advanced components and superior spark output. While standard kits may provide a basic level of functionality, the MSD version incorporates high-performance coils and optimized terminal design for maximum spark energy. This difference translates into better efficiency, improved fuel combustion, and enhanced engine responsiveness, making it suitable for both performance and everyday use. -
Question:
How can I troubleshoot issues with the MSD 8501 Ultimate HEI Kit?
Answer: Troubleshooting the MSD 8501 Ultimate HEI Kit typically involves checking the wiring connections and ensuring proper grounds. If experiencing misfires or no spark, verify that the ignition coil is receiving power and the distributor is properly installed. Many enthusiasts find that resolving these issues improves overall ignition performance. Additionally, inspecting the cap and rotor for wear can help identify potential problems impacting performance. -
Question:
Where can I buy the MSD 8501 Ultimate HEI Kit in British Virgin Islands?
Answer: You can purchase the MSD 8501 Ultimate HEI Kit from Ubuy in British Virgin Islands. Ubuy offers a variety of automotive parts and accessories, ensuring you get reliable products directly delivered to your location. Shopping with Ubuy also provides access to special deals and promotions for enthusiast-grade components like the MSD HEI Kit, enhancing your vehicle's performance.
MSD Engine Mounts Editorial Review
The MSD 8501 Ultimate HEI Conversion Kit is a great upgrade for GM HEI distributors. It allows you to turn off the rev limiter and has a built-in rev control that can be adjusted. The kit is not a whole distributor but an upgrade kit to be put on an existing HEI distributor. It includes a dial on the module for setting the rev limiter, and a small flat blade screwdriver is provided to assist with the adjustment. Overall, this kit is compatible with various vehicles and provides good performance.
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Pros
- Allows you to turn off the rev limiter
- Built-in rev control that can be adjusted
- Compatible with various vehicles
Cons
- Not a whole distributor, but an upgrade kit
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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USD 506
Order now and get it around Thursday, July 30
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Features & Benefits
- Upgrade your stock HEI to a performance distributor
- Direct plug-in for the 4-pin HEI module
- Produces up to 8.5 A of current
- Built-in rev limiter for accurate setting with the engine running
- Supplied with digital heat module, high output coil, pro billet HEI cap, and rotor, and wire retainer
- MSD components for quality and reliability
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