Ignition Conversion Kit - Ultimate HEI Kit - Heat Digital HEI Module - HEI Coil - Heavy Duty Cap / Rotor - HEI Coil Cover - Kit

Vehicle Compatibility and Return Conditions.

This item was designed and engineered in the USA for US domestic vehicles. OBD tools, ECUs, dongles, programmers, and tuners may have limited compatibility with vehicles outside the USA due to regional differences in emission standards and system configurations. Some features and functionality may vary depending on the vehicle and location.

Some electronic tuning devices and programmers require activation, registration, or pairing with a specific vehicle’s VIN (Vehicle Identification Number). Once activated or paired, these devices may become permanently associated with that vehicle, restricting or preventing their use on another vehicle, resticting our ability to offer returns or exchanges.

Please review the product details and images to ensure it meets your needs. For clarification or assistance, feel free to contact a StreetFX agent. Note: Returns are not accepted for special order or tuning products unless the unit is deemed faulty.

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Reference Information

HEI Distributor Upgrade Kit, Ultimate, Coil, Cap, Rotor, Module, GM, Kit

MSD Ultimate HEI kits have everything you need to turn your early model GM HEI distributor into a great performance distributor. The MSD HEI modules feature special circuitry to produce 50 percent higher coil drive currents than stock modules, resulting in higher spark energy at racing rpm. By matching the coil specifications with the modules, MSD delivers more accurate timing and dwell control. The kits also include a high-quality rotor, a durable cap with brass terminals, and even a new dust cover.