Description
Reliable spark plugs are the foundation of consistent engine performance, and the CHAMPION RA6HC 809 delivers the thermal stability and EMI suppression your engine demands for optimal combustion. Whether you’re tuning a street machine or maintaining race-proven equipment, this copper-core design ensures precise heat range management that extends plug life while maintaining peak firing efficiency across your powerband.
Built with CHAMPION’s proven Copper Plus technology, the RA6HC 809 resists fouling and gap erosion—critical factors for engines running lean or at high RPM. The patented construction keeps electrical noise out of your ignition system, allowing your engine management to work without interference.
- Copper Plus center electrode
- Accurate heat range control
- SAC-9 semi-conductor resistor
- Maximum EMI/RFI suppression
- Ultraseal™ coated shell
- Rust prevention technology
- Extended spark plug longevity
- OEM replacement fitment
- MPN: 809
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