Parts & Accessories Spare parts Professional Tune-Up and Combustion Package for LS & LT V8 Engines – Higher Performance and Stronger Response Prices vary by car model and spark plug type. All prices are available on the website: njdperformance.sa For WhatsApp contact: ( Phone number appears when clicking the contact button ) Wholesale available. Boost your engine's performance with the professional NGK & SPX package, specially designed for GM and Chevrolet LS and LT V8 engines to provide stronger combustion, faster response, and greater stability under pressure and sporty use. The package includes: • SPX high-performance 10mm spark plug wires. • Original NGK Iridium spark plugs. • Complete kit ready for installation. 🔥 Spark Plug Wire Specifications: • Larger size than stock wires to withstand higher heat and better power transfer. • Made from high-quality silicone and rubber for ideal insulation in harsh conditions. • Ferro-Spiral core with low resistance (30 Ohms per foot) for stronger spark stability. • Ceramic boot resistant to heat up to 1000°C / 2000°F. • Effective reduction of RFI / EMI (Radio Frequency Interference / Electromagnetic Interference). • Suitable for headers, turbochargers, and superchargers. ✅ Performance Features: • Faster and more efficient combustion. • Improved throttle response, torque, and engine sound. • Reduced fuel consumption. • Longer lifespan compared to traditional wires and spark plugs. • High manufacturing quality supports daily use and high performance. NGK Iridium Spark Plugs: • Higher ignition power and better combustion efficiency. • Suitable for naturally aspirated engines (heat range 6). • Suitable for turbo and supercharged engines (heat range 7). • Professional design supports sports engines and modern technologies. 🚘 Compatibility: • LS engines from 1999 to 2015. • LT engines from 2015 to 2024. Compatible with: Tahoe – Suburban – Yukon – Denali – Sierra – Silverado – Camaro – Caprice – Lumina – Corvette – CTS-V and other GM V8 engines.