{"product_id":"1a-auto-acdelco-r45ts-spark-plug-set-for-gm-pack-of-8-oem-style-durable-ignition","title":"1A Auto ACDelco R45TS Spark Plug Set for GM — Pack of 8, OEM‑style Durable Ignition","description":"\u003cp\u003e\u003cb\u003eThe ACDelco R45TS is an OEM-style conventional spark plug sold as a set of eight, built to GM specifications to restore reliable ignition for compatible Chevrolet, GMC, Buick, Cadillac, Pontiac and Olds engines.\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese ACDelco GM Original Equipment spark plugs are engineered to match the ignition characteristics and fitment GM used when the vehicles were new. Each plug combines a heat-transfer core and protective coating intended to resist corrosion and withstand typical city and highway use. The R45TS design focuses on durability and consistent spark delivery so ignition timing and engine start-up remain steady across a wide range of driving conditions.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and model years will these R45TS plugs fit?\u003c\/h3\u003e\n\u003cp\u003eThis eight-pack covers many GM cars, trucks, vans and commercial chassis from the 1980s and early 1990s. Fitment includes multiple Chevrolet C\/K trucks, Suburban, Camaro, Corvette, Monte Carlo, Impala and El Camino models, as well as select Buick, Cadillac and GMC vehicles listed by year and body style.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevrolet: C10\/C20\/C30, Suburban, Camaro (1982–1992), Corvette (1982–1991), Monte Carlo, El Camino and more.\u003c\/li\u003e\n  \u003cli\u003eGMC: C1500\/C2500\/C3500, Suburban, Jimmy, K-series trucks and cab \u0026amp; chassis models (1982–1985 mostly).\u003c\/li\u003e\n  \u003cli\u003eBuick\/Cadillac\/Pontiac\/Olds: Select models including LeSabre, Regal, Fleetwood and Roadmaster across 1982–1993.\u003c\/li\u003e\n  \u003cli\u003eRefer to your vehicle’s service manual or cylinder head spark plug chart to confirm R45TS as the correct part number.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the R45TS plug affect engine performance and reliability?\u003c\/h3\u003e\n\u003cp\u003eThese plugs supply the necessary ignition spark that starts combustion and helps the engine run smoothly under load. Built to GM’s original equipment standards, they help maintain expected firing characteristics and avoid misfires caused by worn, corroded, or incorrectly gapped plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConsistent spark delivery to support steady idle and throttle response.\u003c\/li\u003e\n  \u003cli\u003eDurable construction and coating that resists corrosion for longer service life.\u003c\/li\u003e\n  \u003cli\u003eProper heat range and core design to manage combustion temperatures typical of the covered engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and routine maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows standard spark plug service: remove old plugs, check gap, torque to the manufacturer’s specification, and inspect ignition components for wear. Using the correct socket and a torque wrench prevents damage to threads and ensures proper compression sealing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm plug gap before fitting; adjust only if required by your vehicle manual.\u003c\/li\u003e\n  \u003cli\u003eTighten to the torque value specified for your engine to avoid over- or under-tightening.\u003c\/li\u003e\n  \u003cli\u003eReplace in sets when multiple cylinders show wear or at routine interval recommendations for older vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose ACDelco GM Original Equipment parts instead of aftermarket alternatives?\u003c\/h3\u003e\n\u003cp\u003eACDelco GM OE parts are validated or installed by General Motors at production, which helps ensure correct fit and expected performance for GM platforms. OE validation reduces the risk of cross-compatibility issues and supports warranty-fitment expectations when maintaining older GM vehicles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufactured to match the specifications used by GM during vehicle production.\u003c\/li\u003e\n  \u003cli\u003eRegular updates to service part designs incorporate improved materials and processes.\u003c\/li\u003e\n  \u003cli\u003eBacked by manufacturer quality controls for consistent batch-to-batch performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The ACDelco R45TS set of 8 is aimed at owners, restorers and mechanics working on GM vehicles from the 1980s and early 1990s who need reliable, OE-style spark plugs. It’s a practical choice for fleet maintenance, classic-car restoration, and routine replacement when you want parts that match GM specifications and maintain original ignition characteristics.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these ACDelco R45TS plugs original GM parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—these are ACDelco GM Original Equipment-style plugs engineered and validated to GM specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace these spark plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace based on vehicle service intervals or when you detect misfires, rough idle, or decreased performance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"1A Auto","offers":[{"title":"Default Title","offer_id":67588018897081,"sku":"B07CJZ71NK","price":81.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/acdelco-r45ts-front-packaging.jpg?v=1790516116","url":"https:\/\/redleafauto.ca\/products\/1a-auto-acdelco-r45ts-spark-plug-set-for-gm-pack-of-8-oem-style-durable-ignition","provider":"Redleaf Auto","version":"1.0","type":"link"}