• Each spark plug boot is precision-molded to fit your vehicle no universal one size fits all substitutes! • The high gloss 8mm* double silicone wire is rated at over 550® F and 60KV. • With a resistance of only 150 Ohms/foot, plus the heaviest gauge spir al-wound alloy conductor in the industry—you’re guaranteed maximum voltage potential and amperage at the spark plug. • Ferro-Spiral core has unsurpassed EMI-RFI (radio noise) suppression, so it won’t affect any electronic equipment in your vehicle. Avai lable in blue, red or yellow wire colors. For late model Acura, Honda, Mazda, Mitsubishi, Nissan, Neon and Saturn vehicles. • All numbers available in Blue, Red & Yellow. * Late model Toyota are 5mm to allow use of O E-type boots and terminals.