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The Moroso Ultra spark plug wire set for BBC engines is configured for under-header routing with 90° plug boots, HEI-compatible terminals, and red sleeved insulation. This set suits big‑block Chevy layouts that route wiring beneath header flanges while using HEI distributors, pairing angled boot geometry with a red sleeved finish for a coordinated appearance.
Moroso BBC Under Header 90 Deg Plug Boots HEI Sleeved Ultra Spark Plug Wire Set - Red
