Description
Running the wrong spark plug heat range can cost you serious performance—too cool and you’ll foul plugs under load, too hot and you risk preignition that’ll damage your engine. The NGK BR8HS delivers the thermal stability serious racers and high-output builds demand, maintaining optimal combustion across a wide operating window without compromise. Whether you’re pushing forced induction or naturally aspirated power, this plug keeps your ignition system working exactly as engineered.
- High alumina ceramic construction
- Improved heat dissipation
- Deep-seated copper core
- Wide heat range capability
- Nickel alloy tip
- Extended service life
- Prevents fouling and preignition
- Superior electrical insulation
- MPN: 4322
- Versatile multi-application fitment
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