NGK Racing Spark Plug NGK-R7437-8 (4901)
The R7437-8 are recommended for customers running Stage 1 or beyond with an enthusiastic driving style. Avoid potential misfires when the constraints of tuning are taking their toll on the vehicle.
Setup/Gapping
Always consult your tuner for specific gap information, however we advise setting to 0.6mm +/- 0.05mm
Features
- Fine Wire Centre Electrode Ensures High Durability and a Consistently Stable Spark
- Iridium Alloy has an Extremely High Melting Point, Perfect for Today’s High-Tech, High Performance Engines
- 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
Technical Infomation
Shell:
- Thread Size: 14mm
- Thread Pitch: 1.25mm
- Seat Type: Gasket
- Resistor Value: 5K Ohm
- Reach: 26.5mm (1.04″)
- Hex Size: 5/8″ (16mm)
- Terminal Type: Solid
- Overall Height: ISO
- Gap: .028″ (0.7mm)
Center Electrode:
- Material: Iridium
- Type: Fine Wire
- Size: 0.6mm
- Projection: Projected
Ground Electrode:
- Material: Nickel
- Type: Standard
- Shape: Taper Cut
- 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: 8
- Resistor: Yes
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Applications
Please note, customers are wholly responsible for checking fitment for their vehicle.
