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NGK spark plug wire set for Nissan D21 (1986–1989) is an eight-wire kit with two coil leads designed to deliver uniform resistance and dependable electrical conductivity. Variable-pitch magnetic core cables suppress EMI/RFI across frequencies, and EPDM/silicone outer jacket plus inner insulation provide dielectric strength. Boots are glued with silicone sealer for a watertight fit, stainless steel serrated terminals provide retention, and a locking C-shaped spring clip ensures a secure connection. Limited lifetime warranty.
NGK Nissan D21 1989-1986 Spark Plug Wire Set
