Description
Product Overview
The MSD 8541 Crab Distributor Cap is engineered for modern American vehicles equipped with HEI distributors. Its robust red plastic housing protects internal components, while brass terminals ensure optimal conductivity. Measuring 11.1 x 6.7 x 6.4 inches and weighing just 0.69 lbs, it provides a lightweight yet durable solution for high‑performance ignition systems.
![[Product front view showing all components]](https://www.flowerpowerco.store/wp-content/uploads/2026/06/2b64e76066484310990ff12da4012d3e.jpg)
Usage
Designed for universal fit, this cap works seamlessly on a wide range of cars and trucks, from classic muscle models to contemporary pickups. Install it in any HEI‑type distributor to improve spark consistency, especially under high‑rpm conditions. Perfect for daily drivers, track days, and restoration projects.
Why Choose Us
MSD’s reputation for ignition excellence backs this cap with rigorous testing and a warranty for peace of mind. The combination of high‑quality plastic and brass terminals offers superior voltage insulation and resistance to wear. Each unit is inspected for fit and finish, ensuring you receive a product that meets professional standards.
Key Features
- Durable red plastic body resists heat and corrosion for long‑term reliability.
- Brass HEI style terminals deliver consistent spark and low resistance.
- Universal fit design simplifies installation on most American cars and trucks.
- Lightweight construction reduces overall engine weight without sacrificing strength.
- Backed by MSD warranty and responsive customer support for hassle‑free service.
FAQ
Will this cap fit my 1998 Chevrolet Silverado?
Yes, the 8541 model is compatible with any HEI distributor, including the 1998 Silverado.
Do I need any special tools to install the cap?
Installation requires only basic hand tools such as a screwdriver and pliers.
Is the cap suitable for high‑performance racing applications?
Absolutely. The brass terminals and heat‑resistant plastic are designed for demanding performance use.
What warranty does MSD provide?
The cap comes with MSD’s standard warranty covering manufacturing defects.
Can I replace the cap myself?
Yes, the universal fit design allows for straightforward DIY replacement.




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