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The Moroso Ultra spark plug wire set for SB Ford 351W applications combines 135° plug boots with unsleeved conductors and HEI compatibility, finished in black. It’s tailored to the routing needs of 351W engines that require angled plug ends and HEI‑style connectors, providing a neat fit around headers and tight boot-to-plug clearances while maintaining a subdued black appearance in the engine bay.
Moroso SB Ford 351W 135 Plug HEI Unsleeved Ultra Spark Plug Wire Set - Black
