NGK Spark Plug TR5 2238
NGK's V-Power Plugs Feature a Unique V-Cut in the Center Electrode that Directs the Spark to the Edge of the Electrode, Helping the Spark Develop More Rapidly, Increasing Ignitability and Reducing Quenching.
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: Tapered
Resistor: Yes
Resistor Value: 5K Ohm
Reach: 18mm (.709")
Hex Size: 5/8" (16mm)
Terminal Type: Solid
Overall Height: ISO
Gap: .039" (1.0mm)
Center Electrode
Material: Nickel
Type: V-Cut
Size: 2.5mm
Projection: Projected
Ground Electrode
Material: Nickel
Type: Standard
Quantity: 1
Specifications
Torque Specs: Cast Iron: 10.8-18 lb. ft. Aluminum: 7.2-14.5 lb. ft.
Brand: NGK
Heat Range: 5
Longevity: 30k
Inboard Application
Indmar
8 cyl GM Big Block
8 cyl GM Small Block
8cyl
Kodiak Marine
350 MK
Marine Power
V8 5.0L
Mercruiser
350 Mag MPI Gen+ 0L304700-0M309999 (Horizon)
350 Mag MPI Gen+ Horizon (0L304700-0M309999)
6.2L Black Scorpion MX (Tow Sports Eng)
OMC
2.3L Cobra
3.0L Cobra
3.0L Cobra HO
5.0L Cobra EFI
5.8L Cobra EFI
5.8L King Cobra HO EFI
Volvo Penta
4.3L Osi/XDP
5.0L Fi EFI
5.0L Osi/XDP
5.7L Osi/XDP
5.7L OSXi/XDP
