NGK Ruthenium HX TR5AHX Spark Plugs for C5 Corvette Z06 LS6
NGK Ruthenium HX TR5AHX spark plugs, stock number 94567, fit the 2001–2004 C5 Corvette Z06 with the LS6 5.7L engine in stock configuration. This offer includes eight spark plugs supplied as two manufacturer packs of four for a full V8 spark-plug replacement.
The LS6-powered Z06 pairs its fixed-roof body and manual transmission with a naturally aspirated 5.7L V8. Ruthenium HX uses a ruthenium-alloy center electrode and fine platinum ground electrode in a double-fine-electrode layout. That compact firing arrangement supports ignition of the fuel mixture while giving your stock-engine Z06 a matching high-ignitability set for regular street driving and weekend trips.
Product Details
- Exact plug identity: NGK 94567, design code TR5AHX, Ruthenium HX.
- Double Fine Electrode design: Fine ruthenium-alloy center and platinum ground firing tips support high ignitability.
- Precious-metal firing surfaces: The ruthenium-alloy center tip provides resistance to wear during repeated sparking.
- Complete V8 quantity: Eight matching plugs in two four-packs; select order quantity one for one engine.
- Included components: Spark plugs only. Plug wires and ignition coils are separate and are not included.
Benefits
- High-ignitability construction: Opposed fine tips help the spark initiate combustion of the air-fuel mixture.
- Wear-resistant firing surface: The ruthenium-alloy center electrode helps resist wear over repeated ignition cycles during regular street use.
- Complete LS6 service: Refresh all eight spark plugs together in your manual-transmission C5 Z06 for regular street driving.
Important Notes
- Z06 model selection: This set covers the 2001–2004 C5 Z06 with the original-specification 5.7L LS6. Check the LS6 engine identity together with the Z06 model year before choosing your replacement plugs.
- Manual-transmission coupe: C5 Z06 coverage is the fixed-roof coupe with its manual transmission. One eight-plug order services the complete LS6 V8 without a transmission-based plug option to select.
- Installation gap: Use 0.040 inch (1.02 mm) for this stock LS6 fitment. Measure every plug before installation; do not assume the gap supplied in the box is the required vehicle setting.
- Protect both firing tips: Check with a round-wire or pin gauge. Any adjustment must move only the ground electrode without pressure on the center tip; ask a qualified installer if unsure.
- Installation care: Use clean, dry threads without anti-seize and follow the vehicle tightening specification. Have your engine builder or tuner confirm plug requirements if the engine has been modified.
CORVETTE COMPATIBILITY
- 2001–2004 C5 Corvette Z06
- Fixed-roof coupe
- LS6 5.7L V8, stock configuration
- Manual transmission
Why Buy from Custom Corvette Accessories?
At Custom Corvette Accessories, we’re Corvette owners ourselves, and we offer one-on-one customer service to help you choose parts for your car. Have a question about NGK 94567 TR5AHX Ruthenium HX spark plugs for your C5 Corvette Z06 LS6? Contact us for personal help before you order.
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