NGK R5724-8 Crate Engine Racing Spark Plugs – Set of 8
The NGK R5724-8 Racing Spark Plug is designed for high-performance racing applications and is commonly used with GM 602 and 604 crate engines.
NGK Racing Series spark plugs are engineered to withstand the demanding heat, pressure, and vibration produced by racing engines. The copper core helps transfer heat away from the firing end, while triple seals help prevent combustion-gas leakage.
Features
- NGK part number: R5724-8
- NGK stock number: 7317
- Recommended for GM 602 and 604 crate engines
- Heat range: 8
- Copper-core construction
- Triple-seal design
- Built for demanding racing-engine conditions
- Sold as a complete set of 8
Specifications
- Thread diameter: 14mm
- Hex size: 5/8 inch
- Thread reach: .708 inch
- Seat type: Tapered
- Resistor: No
Important Installation Note
Always check and correctly set the spark-plug gap before installation. Use the gap recommended by your engine builder or engine manufacturer.
Sold as a set of 8.
