Description
A reliable spark plug is foundational to consistent ignition and engine performance—this DENSO W24FS-U delivers the thermal management and durability that separates dependable operation from misfires and fouling. Pre-fired and engineered as OEM equipment, it’s built to handle demanding conditions without compromise. Whether you’re fine-tuning a street build or maintaining race-proven reliability, this plug offers the precision ignition characteristics that serious enthusiasts expect.
- Copper core electrode
- Enhanced thermal conductivity
- Five-rib insulator design
- Minimizes flashover voltage loss
- Dual copper/glass seal
- Gas-tight insulation bond
- 100% pre-fired
- OEM-specification fitment
- Superior durability rating
- MPN: 4038
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