{"product_id":"spark-plug-wire-set-gmt400","title":"Spark Plug Wire Set - GMT400","description":"\u003cp\u003eSpark plug wire set for the 1988 to 1993 Chevrolet and GMC C\/K (GMT400) with the 5.0 or 5.7 V8.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eNGK SX-2253. Cross-references to Champion Denso C541 and Bosch Autolite 73-26. No confirmed GM OEM number.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1988 to 1993 only, TBI 5.0\/5.7 V8. NGK sells a separate set for the 1994 to 1998 trucks, this one does not fit those, check your year before ordering.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eWire insulation degrades with age and under-hood heat, leading to misfires and rough running that can be hard to pin down. High running temperatures here mean this wears faster than it would in a milder climate.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne new set of plug wires. Brand NGK.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eGive us your VIN if you're not certain on fitment, we'll check it before anything ships.\u003c\/em\u003e\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":49756208627962,"sku":"OBSAE-GMT4-00007","price":539.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-26160846.png?v=1785067767","url":"https:\/\/obscureparts.com\/products\/spark-plug-wire-set-gmt400","provider":"Obscure Parts","version":"1.0","type":"link"}