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The Moroso Ultra spark plug wire set for BB Chrysler/Mopar 361/383/400/440 engines features straight plug boots with HEI-compatible terminals and red sleeved insulation. Designed for big‑block Mopar installations using HEI distributors, the sleeved set offers tidy over‑valve routing and a red finish for visual coordination under the hood.
Moroso BB Chrysler Mopar 361/383/400/440 Str Plug HEI Ultra Spark Plug Wire Set - Red
