Description
Product Overview
The NGK Spark Plug Wire Set (model RC-HE71) is engineered for demanding automotive applications where heat resistance and signal integrity are critical. Each of the four round, male‑to‑male cables features a high‑temp silicone outer jacket that endures temperatures above 250 °C (482 °F), resisting moisture, oil, and cracking. Inside, a variable pitch winding provides ultra‑low resistance, delivering a powerful spark while suppressing EMI/RFI noise. The terminals are crafted from corrosion‑resistant stainless steel with a positive‑lock design, ensuring a tight fit and maximum vibration resistance. Numbered and color‑coded for each cylinder, installation is straightforward and error‑free.
Usage
Designed for outdoor and high‑performance engines, this wire set excels in both street and track environments. Whether you’re upgrading a classic car, maintaining a daily driver, or fine‑tuning a race‑ready vehicle, the heat‑resistant silicone construction protects against extreme engine bay temperatures and harsh chemicals. Ideal for gasoline and diesel engines, the set supports reliable ignition across a wide range of operating conditions, reducing misfires and improving overall engine efficiency.

Why Choose Us
NGK’s reputation for precision engineering translates into a wire set that meets OEM specifications while offering superior durability. The combination of variable pitch winding and stainless steel terminals provides unmatched resistance to voltage drop and mechanical wear. Each cable undergoes rigorous testing for heat tolerance, electrical performance, and vibration endurance, ensuring you receive a product that maintains peak performance over the life of your vehicle.
Key Features
- Heat‑resistant silicone jacket withstands 250 °C+ for long‑term durability
- Variable pitch winding delivers ultra‑low resistance and strong spark
- Stainless steel positive‑lock terminals resist corrosion and vibration
- Color‑coded, numbered wires simplify cylinder identification and installation
- Meets OEM part numbers for seamless replacement in many vehicle models
FAQ
What vehicles are compatible with this wire set?
The NGK RC‑HE71 set matches OEM part numbers such as 32700‑p13‑a00 and 32722‑p01‑000, fitting a wide range of Japanese and American performance engines. Check your vehicle’s service manual for exact compatibility.
Can the wires be used in high‑performance racing applications?
Yes. The high‑temperature silicone jacket and low‑resistance winding are specifically designed for the extreme heat and vibration found in racing environments, providing reliable spark delivery.
How do I install the wires correctly?
Identify each cylinder using the numbered and color‑coded ends, then connect the male terminals to the corresponding coil plugs. Ensure the positive‑lock terminals snap securely to prevent separation under vibration.
Are these wires resistant to oil and fuel exposure?
The silicone outer material repels oil, petrol, and moisture, preventing degradation and maintaining electrical integrity even in harsh engine bays.
What warranty does NGNGK provide?
NGK offers a limited warranty against manufacturing defects, reflecting confidence in the material quality and construction of the wire set.






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