Restore reliable ignition performance with the PCM (Crusader) Spark Plug Wire Set designed for 6.0L engines equipped with catalytic converters (CES). This heavy-duty wire kit features high-temp silicone insulation and low-resistance (low-ohm) construction to help deliver a strong, consistent spark in demanding marine environments. Molded straight and 90-degree boots provide a secure, OEM-style fit and clean routing for a professional install.

Fitment Notes (Important)

• For 6.0L engines with catalytic converters (CES)
• If your 6.0L motor is ZR409-LY6 (2009 & newer), you will need SKU: RK120022
• If your 6.0L motor is ZR409 (2009 & older), you will need SKU: RK120021A

Features

• OEM-style replacement spark plug wire set for PCM/Crusader applications
• High-temperature silicone jacket for heat resistance and durability
• Low-ohm/low-resistance wire design for efficient spark energy transfer
• Molded straight and 90-degree boots for proper clearance and secure connection

FAQ

• How do I confirm which set I need? Check the engine identification (ZR409 vs. ZR409-LY6) and model year; match to the SKU listed above.
• Will this fit non-CAT engines? This listing is specifically for 6.0L CAT/CES applications; verify your emissions configuration before ordering.