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
About Progressive Parts:
Progressive Parts offers a vast range of quality aftermarket and performance car parts. Whether you’re carrying out essential repairs, getting that essential style & stance or pushing your vehicles power to the next level you’ll find everything you need in our extensive online car parts store.
Visit Product Page
