NGK Spark plug BP7HS 5111
NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
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
Body
Thread Size: 14mm
Thread Pitch: 1.25mm
Seat Type: Gasket
Resistor: No
Reach: 12.7mm (1/2")
Hex Size: 13/16" (21mm)
Terminal Type: Removable Nut
Overall Height: JIS
Gap: .028" (0.7mm)
Center Electrode
Material: Nickel
Type: Standard
Size: 2.5mm
Projection: Projected
Ground Electrode
Material: Nickel
Type: Standard
Quantity: 1
Specifications
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
Brand: NGK
Heat Range: 7
Longevity: 30k
Outboard Application
- Force 25 hp 1999-1996 .035
- Force 15 hp 1993-1984 .030
- Force 15 hp 1999-1994 .035
- Johnson 3.5 hp 2005-2004 .020
- Mercury 4.0 hp 4.0 1982-1980 .035
- Mercury 3.6 hp 3.6 1982-1980 .040
- Volvo Penta 252 1974-1973 .020