NGK 55008 Spark Plug Wire Set with 2 Coil Leads, Blue Silicone

The NGK 55008 (RC-ZX104) spark plug wire set delivers ultra-low resistance performance through a stainless steel winding over a premium ferrite magnetic core. This 4-wire set includes two coil leads and is engineered to produce a stronger, more consistent spark while providing excellent EMI/RFI noise suppression. The high-temperature silicone outer jacket paired with EPDM/silicone inner insulation maintains dielectric integrity under demanding conditions, making this a premium standard-replacement wire set for classic import vehicles.

Key Features:

• 4 spark plug wires with 2 coil leads included
• Ultra-low resistance stainless steel winding over premium ferrite magnetic core
• High-temp silicone outer jacket with EPDM/silicone inner insulation for superior dielectric strength
• Blue silicone insulation, 7.00 mm outside diameter
• 110-degree angled spark plug end boots (qty: 4) and 180-degree distributor/coil end boots, all in black silicone
• Spark plug boots glued with silicone sealer for a watertight seal
• Stainless steel terminals with up to 3 serrated crimps for maximum terminal retention strength
• Locking C-shaped, corrosion-resistant spring clip for a secure spark plug terminal connection
• Effective EMI/RFI noise suppression; no wire separators included

NGK is The Ignition Specialist™, bringing over 80 years of OE ignition expertise to every product in its lineup. This wire set meets or exceeds OE specifications for fit, performance, and durability. Fits select 1966–1978 Mazda and Fiat models. California Proposition 65 Warning: Cancer — www.P65Warnings.ca.gov.