NGK Ignition Cable Kit RC-HD407 – Stock No. 709 This NGK ignition cable kit replaces worn or cracked plug leads to restore clean, reliable spark delivery. It helps reduce misfires, improves throttle response, and supports smooth idling. Built to OE standards with durable materials for long service life in heat and vibration. Strong spark transfer with effective EMI/RFI suppression to protect electronics Silicone insulation resists heat, oil, and chemicals for stable performance OE-style terminals and boots for a secure, precise connection Direct replacement kit for the correct engine layout Part Number RC-HD407 NGK Stock Number 709 Category 685 – Ignition Cable Kit GTIN 087295007099 Cable Type Spiral-wound resistor core for low resistance and high noise suppression Insulation High-temperature silicone outer jacket with EPDM/silicone boots Heat Resistance Up to approx. 250°C (short-term) Dielectric Performance Thick-wall insulation to reduce arcing and leakage Boot Styles OE-style straight and/or angled boots to match engine layout Typical Benefits Smoother idle, cleaner combustion, and reduced radio interference Fitment Guidance This is a model-specific kit designed for select engines. Use the vehicle lookup on our site or check the Vehicle Fitment tab to confirm it suits your car before ordering. The price displayed is for a single plug, please add the desired amount to your basket. Additional Information Weight 0.05 kg Dimensions 10 × 3 × 3 cm Brand NGK
