NGK V-Power TR6 Nickel Spark Plugs for C6 Corvette Z06 LS7
NGK V-Power TR6 nickel spark plugs, stock number 4177, fit the 2006–2013 C6 Corvette Z06 with its stock 7.0L LS7 V8. One order includes eight spark plugs in two manufacturer four-packs for a complete eight-cylinder spark-plug replacement during routine scheduled ignition maintenance.
For an ignition refresh on the naturally aspirated LS7, V-Power combines a nickel-alloy V-groove firing surface with a copper core that carries heat away from the tip. The groove helps the spark initiate combustion while reducing flame quenching. Eight matching plugs provide a consistent service set for your Z06, whether you maintain the car yourself or supply parts to your Corvette technician.
Product Details
- Plug identity: NGK 4177, design code TR6, V-Power nickel spark plugs.
- Firing surface: Nickel-alloy center electrode with a V-groove.
- Internal construction: 98% pure copper core and high-grade alumina silicate ceramic insulation.
- Shell finish: Trivalent plating provides corrosion resistance and supports dry-thread installation.
- Included parts: Eight matching plugs only. Plug wires, ignition coils and installation tools are separate.
Benefits
- Ignitability: The V-groove helps the spark start the air-fuel burn with less flame quenching.
- Heat control: The copper core transfers heat away from the firing end during operation.
- Electrical insulation: The ceramic separates the high-voltage spark path from the metal shell.
- Whole-engine service: Replace all eight plugs together with a matching nickel design and one complete order.
Important Notes
- Z06 configuration: Match the 2006–2013 Z06 coupe, 7.0L LS7 and six-speed manual transmission when planning the service. The factory engine is naturally aspirated and uses dry-sump lubrication.
- Rebuilt-engine check: An LS7 rebuild may change compression, cylinder heads or the intended operating conditions. Have the builder confirm the present plug specification and gap before fitting service parts to a changed engine.
- Installation gap: Use 0.040 inch (1.02 mm) for the stock LS7. Measure each plug before fitting it; the supplied preset does not replace an individual gap check.
- Dry-thread fitting: Do not add anti-seize. Follow the vehicle’s tightening specification so the plug seats correctly and can transfer heat through the cylinder head.
- Service preparation: Keep dirt out of the spark-plug openings. Let the engine cool, inspect the ceramic and electrodes for damage, and start each plug carefully by hand. Check wire boots for deterioration and confirm they are securely seated when the job is finished.
CORVETTE COMPATIBILITY
- 2006–2013 C6 Corvette Z06
- Coupe
- 7.0L LS7 V8, naturally aspirated, stock configuration
- Six-speed manual transmission
Why Buy from Custom Corvette Accessories?
We’re fellow Corvette owners at Custom Corvette Accessories, offering one-on-one customer service. For help choosing NGK 4177 TR6 V-Power nickel spark plugs for your C6 Corvette Z06 LS7, contact us for personal assistance with your car’s configuration and the complete eight-plug order.
✅ In-stock items ship in 1–2 business days via Standard Ground.
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