Champion 405

Champion 405 is an RN14YC copper core spark plug. It uses a nickel electrode, gasket seat and suppression resistor to reduce EMI / RFI interference in the ignition system.

Application / fitment

405 / RN14YC is used across a broad range of automotive, industrial and powersport applications requiring M14x1.25 thread, 19 mm reach, 21 mm hex and 0.9 mm electrode gap. Heat range and required plug type should be confirmed in the engine catalogue before purchase.

• part type: spark plug
• technical number: RN14YC
• thread: M14x1.25
• thread reach: 19 mm
• electrode gap: 0.9 mm

Before installation, check electrode gap, cylinder head thread condition and ignition wire terminal type. Tighten to the correct torque for the cylinder head and seat type, avoiding excessive use of conductive compounds.

Technical information

• part type: spark plug
• product line: Copper Plus / Powersport
• center electrode: copper core
• electrode material: nickel alloy
• seat type: gasket seat
• hex size: 21 mm
• spark position: 5 mm
• connector type: SAE
• resistor: up to 15 kOhm
• tightening torque: 25-30 Nm
• EAN: 037551001514
• sale unit: 1 piece