NGK Racing Series plugs are engineered to withstand the harshest engine conditions.
- Special insulator nose configurations improve throttle response
- Corrugated ribs prevent flashover
- Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
- Copper core aids in heat removal
- Triple seals prevent leakage
Shell
- Thread Size: 14mm
- Thread Pitch: 1.25mm
- Seat Type: Gasket
- Reach: 19mm (3/4")
- Hex Size: 5/8" (16mm)
- Terminal Type: Solid
- Overall Height: ISO
- Gap: .031" (0.8mm)
Center Electrode
- Material: Nickel
- Type: V-Cut
- Size: 2.5mm
- Projection: Non-Projected
Ground Electrode
- Material: Nickel
- Type: Standard
- Quantity: 1
Specifications
- Warranty: 1 Year
- Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
- Brand: NGK
- Heat Range: 9
- Longevity: 30k Miles
- Resistor: No
Racing Spark Plug (R5671A-9) - Pack 4 - Part number: 5238_4 - for American Cars - delivery to the UK and the EU
Manufacturer part number: 5238_4 - Racing Spark Plug (R5671A-9) - Pack 4 spark-plug
Package dimensions
Width: 1.18 inch
Height: 1.18 inch
Depth: 3.31 inch
Weight: 0.14 lb