8 NGK Spark Plugs - For Tohatsu 50 MD50ATLDI 2004-2006 Outboard Motor

The NGK 4291 Spark Plug (B9HS) is a performance-focused, non-resistor plug for high-revving 2-stroke marine engines, offering fast response and reduced fouling under demanding conditions.

Features & Benefits:

🔧 Cold heat range ideal for high-RPM use🔧 Non-resistor for direct, consistent spark🔧 Short reach design fits many racing outboards🔧 Anti-corrosive plating for saltwater resistance

Specifications:

Brand & Part Number: NGK 4291 B9HSMaterial: CopperThread Size: 14mmReach: 12.7mm (0.5 in.)Hex Size: 13/16 in. (20.6mm)Seat Type: GasketResistor: NoGap: 0.024 in. (0.6mm)

Boost marine performance with B9HS in 2-stroke outboards—built for speed and reliability.