V-Power Racing Plug 7993

The NGK V-Power Racing Plug 7993 (R5724-10) is a premium non-resistor spark plug engineered for high-performance racing and competition engines. Designed for applications requiring a 14mm thread diameter with 0.708-inch reach and tapered seat configuration, this plug delivers the consistent ignition characteristics demanded by serious racers and engine builders who rely on precise combustion timing for maximum power output.

As a non-resistor spark plug, the V-Power Racing 7993 eliminates the resistance found in standard automotive plugs, allowing full electrical flow to the electrode. This design is critical in racing applications where unfiltered spark intensity improves ignition reliability across the RPM band. The tapered seat construction ensures secure seating without a gasket, a configuration standard in performance cylinder heads. With a compact 0.1 lb weight and precisely engineered dimensions (0.9 x 0.7 x 3.3 inches), this plug maintains the tight tolerances required in high-compression racing engines.

The R5724-10 is specified for racing engines, sprint cars, drag racing applications, and custom-built performance powerplants where OEM spark plugs cannot meet the demands of modified combustion chambers and elevated fuel loads. Racers and engine builders select NGK Racing plugs for their proven thermal range consistency and ability to maintain stable electrode gaps under extreme cylinder pressures and temperatures. This is a single-unit spark plug sold individually, allowing builders and tuners to replace plugs as part of routine maintenance or when changing heat range for different fuel types or track conditions.

NGK is recognized as the original equipment supplier for many racing teams and manufacturers, with a 70-plus year history in spark plug technology. The V-Power Racing line represents the manufacturer's competition-focused engineering, built to withstand the thermal and electrical demands that separate racing plugs from street automotive plugs.