CHAMPION Industrial / Agricultural D21 Spark Plug, 502

Champion industrial and agricultural spark plugs are backed by global engineering from Federal-Mogul. Precious metals, FISS and Hot Lock designs allow us to provide a plug that Withstands today's high-temperature/high load service environments.

FEATURES

• Resists Fouling
• Superior corrosion resistance
• Dependable performance and durability
• Increased conductivity and heat control for good overall wear.
• Industrial Spark Plug: D21
• Thread: M18
• Hex: 22mm
• Preset Gap: .025"
• Thread Reach: .500"
• Seat: Flat
• Heat Range: 21