Complete tune up kit (V6 Mercury Thunderbolt HEI) Sierra 18-5274

Description:

Complete Sierra 18-5274 Tune-Up Kit for Mercury Thunderbolt HEI V6 marine engines. Perfect for routine maintenance and reliable ignition performance.

 Fits

Mercury Thunderbolt HEI V6

✔️ Complete tune-up kit

✔️ Marine-grade quality

📦 Condition: New, unused (from closed-out business). Packaging may show dust or wear from storage