Peace be upon you. We have all kinds of clean spark plugs. There are spark plugs with welding. There are spark plugs without welding. There are original glass spark plugs. There are commercial glass spark plugs. The types of spark plugs available are mostly from 2017 onwards. Toyota Hyundai Mazda Lexus Mercedes And others, but these are the most available. I hope only serious buyers will contact me. Contact via WhatsApp or call the mobile number ( Phone number appears when clicking the contact button ) .