NGK R7438-9 (4656) - Racing Spark Plug

⚠️ Please Note: This product is dispatched directly from the supplier and is available for online order only. It is not held in-store. Estimated delivery: 2–4 business days. No pickups available.

The price for one plug only!!!

Fit Mitsubishi Lancer Evo VII, VIII, IX

These spark plugs are a direct replacement for many VAG engines, we recommend running them on the 4.0 TFSI in the RS6/RS7/S8/Urus/RSQ8 etc. We highly recommend these spark plugs on most states of tune from Stock all the way through to Stage 3.

These spark plugs come pre gapped, ready to fit.

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

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: 1.0mm
Projection: Non-Projected
Ground Electrode
Material: Platinum
Type: Slant
Quantity: 1
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
Brand: NGK
Heat Range: 9
Resistor: Yes

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7438-9
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74389
7438 9