{"product_id":"carbole-round-d585-uf262-ignition-coils-and-748uu-spark-plug-wire-set","title":"CarBole Round D585 UF262 Ignition Coils and 748UU Spark Plug Wire Set","description":"\u003cp\u003eIn this review the CarBole Round D585 UF262 ignition coils paired with the 748UU 8mm spark plug wires are evaluated as a budget-friendly replacement for GM V8 and V6 engines using round coil packs. The review finds the kit best for owners who need a straightforward replacement that restores spark output quickly, since these round D585 coils claim more than 26 kV and the wires promise 10-15% more spark. Installation is simple for DIYers and the set is most useful when the original coils match the ROUND shape and listed cross-reference numbers.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound D585 coil fit:\u003c\/strong\u003e Fits UF262, UF-262, D585 and several OEM cross numbers so buyers can match the original round coil shape for direct replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh spark output:\u003c\/strong\u003e The coil housing and internal design produce high voltage above 26 kV to help restore strong ignition and reduce misfires when the rest of the ignition system is in good condition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgraded plug wires:\u003c\/strong\u003e Wires cross-referenced to 748UU and related numbers, built to deliver 10-15% more spark with high voltage dielectric resin and imported epoxy for better spark transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium materials:\u003c\/strong\u003e Housings use tough PBT and the wires use reinforced insulation to withstand thermal shock, humidity and vibration in engine bays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect replacement focus:\u003c\/strong\u003e Designed to meet common OEM cross references so the set can replace original coils and wires without major modifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is aimed at Chevy and GMC owners with 4.8, 5.3, 5.7 or 6.0L engines running the round-style UF262\/D585 coils who want an affordable, direct fit replacement for worn coils and plug leads. It is a practical choice for DIY mechanics who can verify their original coil shape and cross-reference numbers before purchase.\u003c\/p\u003e\n\u003cp\u003eShoppers who need top-tier longevity or who live in regions with restricted emissions rules should look elsewhere or verify local compatibility first. Also, if a vehicle has square UF271 coils or an uncommon mid-year variation, this round set will not be the correct match.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy direct-fit replacement when the original coils are the round D585\/UF262 type.\u003c\/li\u003e\n\u003cli\u003eHigher spark output and upgraded wire insulation aim to reduce misfires and restore throttle response.\u003c\/li\u003e\n\u003cli\u003eConstructed from PBT housings and epoxy-resin dielectrics that resist heat and vibration.\u003c\/li\u003e\n\u003cli\u003eGood value for owners replacing all eight coils and wires at once.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMixed reports on long-term durability and wire construction; some users report issues after months of use.\u003c\/li\u003e\n\u003cli\u003eNot suitable if original coils are square-type or if local regulations restrict use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eItem Type\u003c\/td\u003e\n\u003ctd\u003eRound D585 ignition coils and 8mm spark plug wires set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Coil Numbers\u003c\/td\u003e\n\u003ctd\u003eUF262, UF-262, D585, 610-02839, 12573190, C1512\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Cross References\u003c\/td\u003e\n\u003ctd\u003e9748GG, 748UU, 748GG, 12622553, 12192195, 88862397\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClaimed Spark Increase\u003c\/td\u003e\n\u003ctd\u003e10-15% more spark (wires)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Voltage\u003c\/td\u003e\n\u003ctd\u003eProduces more than 26 kV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eHigh quality PBT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e8 pieces (coils and wires set)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe CarBole Round D585 UF262 coil and 748UU wire set is a sensible, cost-conscious choice for owners who confirm they have the round coil configuration. It restores strong spark output, is built from robust materials, and offers clear value when replacing all eight coils and leads, though buyers seeking proven long-term durability should weigh mixed user reports and consider monitoring performance after installation.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these coils fit my Silverado?\u003c\/strong\u003e\u003cbr\u003eThey will fit Silverado and GMC models that use the round UF262\/D585 coil shape; confirm the original coil shape and listed cross-reference numbers before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the wires improve performance?\u003c\/strong\u003e\u003cbr\u003eThe wires are built to deliver 10-15% more spark via high voltage dielectric resin and epoxy, which can improve ignition strength if the rest of the ignition system is healthy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these legal everywhere?\u003c\/strong\u003e\u003cbr\u003eCheck local regulations and vehicle emissions rules; this item may not be permitted in some regions and compatibility varies by model year and mid-year component changes.\u003c\/p\u003e","brand":"CarBole","offers":[{"title":"Default Title","offer_id":48189283074267,"sku":"B07QJ4LCLD","price":116.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/717vvtjcw5L._AC_SL1500.jpg?v=1769664299","url":"https:\/\/gearmusthave.com\/products\/carbole-round-d585-uf262-ignition-coils-and-748uu-spark-plug-wire-set","provider":"GearMustHave","version":"1.0","type":"link"}