To help you find what you are looking for we have a search / Find it Box--Read below to find out how to use the Find It Box...

Search for your needs with plain text, OEM part numbers, DESCRIPTION, or our part number, like(mercruiser manifold), (Suzuki trim motor), (velvet drive kit), etc. If you have difficulty in finding your need, please call us and a tech will assist you. Alternatively, click on a category picture below and drill down. For VELVET DRIVE parts, enter VD in search box

177 Fulford Dr.
Harkers Island, NC 28531
(252) 504-3355
Check Your Order Status
(Tracking Information)

Shopping Cart  [more]


Wire Set Spark Plug Ignition Mercruiser 5.0 5.7 6.2 Thunderbolt 84-813720A4


  • Part #: SMI98103

Add to Cart:

Ignition wire set for Mercruiser 5.0 5.7 6.2 liter engines with the Thunderbolt Ignition System.

This ignition wire set features 8MM suppression core Packard wire custom fit to your specific application.

Replaces: 84-813720A3 84-813720A4

Works with this style distributor:

Thunderbolt Distributor

Copyright © 2021 Basic Power Industries.