NGK Part 51416 Cadillac Calais Spark Plug Wire Set – Ultra-Low Resistance Magnetic Core Wires with Premium Silicone Insulation

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 51416 spark plug wire set is designed specifically for vintage Cadillac models including Calais, DeVille, Eldorado, and Fleetwood from 1964 to 1966. Built with high-performance materials, these wires deliver outstanding electrical performance and durability, ensuring reliable ignition system function. Featuring a stainless steel winding over a premium ferrite magnetic core, this set provides ultra-low resistance for a more powerful spark, which translates to improved engine efficiency and smoother acceleration. The high-temp silicone outer jacket combined with EPDM and silicone inner insulation offers excellent dielectric strength and heat resistance, safeguarding high voltage currents from environmental and thermal stresses.
NGK's OE or higher quality spark plug and distributor boots guarantee a perfect fit, ensuring optimal contact and minimizing misfires. The boots are glued with silicone sealer, providing a watertight seal to prevent moisture ingress that could compromise performance. Stainless steel terminals with serrated crimps firmly bite into the cable jacket and inner insulation, maximizing terminal retention strength for long-lasting reliability. The locking C-shaped spring clip, plated for corrosion resistance, ensures a secure connection between the wires and spark plugs, reducing the risk of disconnection during operation.
This set includes eight wires, including the coil lead, making it suitable for a complete ignition upgrade or replacement. Backed by a limited lifetime warranty, NGK’s spark plug wire set offers a dependable solution for vintage Cadillac enthusiasts seeking enhanced ignition performance and longevity. These wires are not carb compliant but are designed to meet or exceed OE specifications, ensuring quality and fitment for specific vintage models. Whether restoring a classic or maintaining a vintage vehicle, NGK’s premium spark plug wire set provides the performance and durability needed for optimal engine operation.

Features:

• Ultra-low resistance magnetic core delivers a more powerful spark and improved engine performance

• High-temp silicone outer jacket and EPDM/silicone inner insulation provide excellent dielectric strength and heat resistance

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

• Watertight seal achieved through silicone sealer bonding of boots to cables

• Stainless steel terminals with serrated crimps maximize terminal retention strength

• Locking C-shaped spring clip with corrosion-resistant plating guarantees secure connections

• Includes 8 wires with coil lead for comprehensive ignition system upgrade

• Limited lifetime warranty offers peace of mind and product assurance