Indmar 5.7L Pre‑Vortec Spark Plug - Short Reach
556090
Gap 0.035 in. (.89 mm)
Regular price
$8.88
Sale price$6.96
Save $1.92
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Restore smooth starting, clean idle, and reliable ignition with this Indmar 5.7L pre‑Vortec spark plug designed for Chevrolet-based marine engines. These are short‑reach spark plugs built specifically for pre‑Vortec cylinder heads, making them a correct-fit service replacement when you’re doing seasonal maintenance or a full tune‑up.
- Application: Indmar 5.7L engines with pre‑Vortec heads
- Type: Chevrolet marine engine spark plug
- Reach: Short reach (for pre‑Vortec head design)
- Use: Routine service/maintenance replacement
Important: This plug is intended for pre‑Vortec heads. If your engine has Vortec heads, fitment may differ—confirm your engine/head type before ordering.
Common search terms: Indmar 5.7 spark plug, pre‑Vortec spark plug, short reach spark plug, Chevrolet marine spark plug.
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