DOLCO ignition wire set always meet OE quality with at least 60,000Kms guaranteed. 1. complied to ISO3808 standard. 2. both in EPDM and SILICONE. 3. more than 1000 models. 4. reliable current conductive. 5. execellent radio-shielding. 6. temperature bearing from -60 to 260 degrees. 7. breakdown above 50,000 volts.