Equivalents for the Mighty spark plug RF427
Mighty RF427 is an automotive spark plug featuring heat range very hot, resistor type (RFI-suppressed), thread 14 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour). Here are its 475 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
Technical information Mighty RF427 spark plug
- Resistor
- Yes
- Torque
- fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
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475 equivalents compatible with the Mighty RF427 spark plug












































































































































































































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No equivalent for this brand selection.
What can replace a Mighty RF427 spark plug?
The Mighty RF427 is interchangeable with: NGK BPR4FS-15, Bosch H8B, Champion V12YC, Bosch H9B, Bosch H10B, Bosch H8BC. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Mighty RF427?
Thread 14 mm, Heat range Very hot, Resistor Yes, Seat Flat (gasket), Torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
Cross-references and specifications are provided for guidance only. The wrench size can vary by brand, and some data is inferred from the plug code or an equivalent reference. Always check the vehicle manufacturer's recommendation before buying and fitting.