NGK Part 51398 Ultra-Low Resistance Spark Plug Wire Set for Chevrolet Bel Air and GMC K25 (1970-1976)

NGK ultra-low resistance mag core wire sets provide outstanding performance and durability. High-temp premium silicone outer jacket and inner EPDM/silicone insulation contain high voltage currents for excellent dielectric strength. Stainless steel winding over premium ferrite magnetic core delivers ultra-low resistance, a more powerful spark and excellent EMI/RFI noise suppression. OE or better specified spark plug and distributor boots ensure the highest quality fit, performance and durability in every application. Spark plug boots are glued to NGK cable with a silicone sealer for a watertight seal. Stainless steel terminals utilizing up to 3 serrated crimps bite into cable jacket and inner insulation for the highest terminal retention strength (wherever possible). Locking C-shaped spring clip with corrosion-resistant plating ensures a secure and positive spark plug terminal connection. 8 Wires (w/Coil Lead)

• LIMITED LIFETIME WARRANTY: See package for details

The NGK Part 51398 spark plug wire set offers exceptional performance for vintage Chevrolet Bel Air and GMC K25 models from 1970 to 1976. Engineered with high-temperature premium silicone outer jackets and EPDM inner insulation, these wires are designed to withstand extreme heat and high voltage, ensuring reliable ignition performance. The stainless steel winding over a premium ferrite magnetic core provides ultra-low resistance, delivering a more powerful spark that enhances engine efficiency and acceleration. These wires also offer excellent EMI/RFI noise suppression, reducing electrical interference that can affect radio and electronic systems. The set includes eight wires with a coil lead, all equipped with OE or better specified spark plug and distributor boots for a perfect fit and long-lasting durability. Each boot is glued to the cable with a silicone sealer, creating a watertight seal that protects against moisture and corrosion. The stainless steel terminals utilize up to three serrated crimps, ensuring a secure attachment to the cable jacket and inner insulation for maximum terminal retention strength. A locking C-shaped spring clip with corrosion-resistant plating guarantees a positive, secure connection to the spark plugs, preventing misfires and maintaining consistent spark delivery. Designed for durability and high performance, this spark plug wire set is backed by a limited lifetime warranty, providing confidence in its longevity and quality. Whether restoring a classic vehicle or replacing worn-out wires, NGK’s premium wire set ensures optimal ignition system performance, improved engine response, and reliable operation in demanding conditions.

Features:

• High-temp premium silicone outer jacket for heat resistance

• EPDM inner insulation to contain high voltage currents

• Stainless steel winding over ferrite magnetic core for ultra-low resistance

• Excellent EMI/RFI noise suppression to reduce electrical interference

• OE or better specified spark plug and distributor boots for perfect fit and durability

• Watertight seal created with silicone sealer on boots

• Stainless steel terminals with serrated crimps for maximum retention

• Locking C-shaped spring clip with corrosion-resistant plating for secure connection

• Includes 8 wires with coil lead, designed for classic Chevrolet and GMC vehicles