{"product_id":"ngk-iridium-spark-plugs-03-05-neon-srt-4-03-07-pt-cruiser-gt","title":"NGK Iridium Spark Plugs, 03-05 Neon SRT-4 \/ 03-07 PT Cruiser GT","description":"\u003cp\u003eThese spark plugs are the most popular, and best spark plug available for the Dodge SRT-4\/PT Turbo. Why? Well, they have excellent heat durability, help provide a consistent spark that will help you have a smoother idle, eliminate any stumbling, and maximize power!\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eStock heat range- Stock heat range is for cars that are BONE stock with no increase in boost.\u003c\/li\u003e\n\u003cli\u003e1 Step Colder- Is for 90% of SRT-4 \/PT Turbo drivers out there, who have increased the boost with a good number of bolt on mods.\u003c\/li\u003e\n\u003cli\u003e2 Steps Colder- For big turbo, big turbo engines only, in the 450+hp range.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eThese plugs need to be gapped to match your power levels. If you are at stock boost levels, then you will need to gap to roughly .035-.038 thousandths. If you have increased boost levels and are making 275-350 horsepower you should adjust the gap to .030-.033 thousandths. If you are making 350-450 horsepower we recommend .028 thousandths. The more boost you have, the lower the gap.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cb\u003ePrice is for a set of four (4)\u003c\/b\u003e\u003c\/p\u003e","brand":"Modern Performance","offers":[{"title":"Stock Heat Range","offer_id":43044896768078,"sku":"220143","price":34.0,"currency_code":"USD","in_stock":true},{"title":"1 Heat Range Colder","offer_id":43044896800846,"sku":"220143-COLDER","price":34.0,"currency_code":"USD","in_stock":true},{"title":"2 Heat Ranges Colder","offer_id":43044896833614,"sku":"220143-COLDEST","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/2902\/0238\/files\/2388_10920_popup_1_f2609305-7157-4662-8a0d-b32f62ee26c9.jpg?v=1763687736","url":"https:\/\/www.modernperformance.com\/products\/ngk-iridium-spark-plugs-03-05-neon-srt-4-03-07-pt-cruiser-gt","provider":"Modern Performance","version":"1.0","type":"link"}