{"product_id":"cold-case-radiator-fan-kit-1977-1987-gm-pickup-ls-swap-21in-gmt556a21lsk","title":"Cold Case Aluminum Radiator \u0026 Fan Kit — 1977-1987 GM Pickup | LS Swap, 21in, 2-Row | GMT556A21LSK","description":"\u003cp\u003eThe Cold Case GMT556A21LSK is a complete 21 inch aluminum radiator and cooling fan kit for the 1977-1987 GM C and K series pickup set up for an LS engine swap. It pairs the dual-flow 2-row polished aluminum radiator with a cooling fan setup, using two 1.25 inch tubes and 16 corrugated fins per inch with 100 percent TIG-welded construction and polished OE-style tanks, and has a 1\/4 inch NPT steam port. It is meant to be used with an external transmission cooler. It also suits the matching full-size GM SUVs of the era, such as the Blazer, Jimmy, and Suburban.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType: aluminum radiator and fan kit (LS swap, 21 in)\u003c\/li\u003e\n\u003cli\u003eIncluded: radiator plus a cooling fan setup\u003c\/li\u003e\n\u003cli\u003eCore: 2-row, two 1.25 in tubes, 16 corrugated fins per inch\u003c\/li\u003e\n\u003cli\u003eConstruction: 100 percent TIG-welded aluminum, polished OE-style tanks\u003c\/li\u003e\n\u003cli\u003eOverall size: 34.33 in W x 21 in H x 3 in D (core 28.35 x 18.8 in)\u003c\/li\u003e\n\u003cli\u003eHoses: 1.5 in upper, 1.5 in lower; 1\/4 in NPT steam port\u003c\/li\u003e\n\u003cli\u003eTransmission cooling: use an external transmission cooler\u003c\/li\u003e\n\u003cli\u003ePart number: GMT556A21LSK\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle Applications\u003c\/h3\u003e\u003cp\u003eDirect fit on the following, set up for an LS swap:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1977 Chevrolet C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1978 Chevrolet C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1979 Chevrolet C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1980 Chevrolet C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1981 Chevrolet C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1982 Chevrolet C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1983 Chevrolet C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1984 Chevrolet C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1985 Chevrolet C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1986 Chevrolet C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1987 Chevrolet C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1977 GMC C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1978 GMC C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1979 GMC C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1980 GMC C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1981 GMC C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1982 GMC C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1983 GMC C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1984 GMC C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1985 GMC C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1986 GMC C\/K Pickup\u003c\/li\u003e\n\u003cli\u003e1987 GMC C\/K Pickup\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat is included in the GMT556A21LSK kit?\u003c\/h5\u003e\u003cp\u003eThe dual-flow 2-row polished aluminum radiator plus a cooling fan setup.\u003c\/p\u003e\u003ch5\u003eWhat vehicles does it fit?\u003c\/h5\u003e\u003cp\u003eThe 1977-1987 GM C and K series pickup set up for an LS engine swap, plus the matching Blazer, Jimmy, and Suburban.\u003c\/p\u003e\u003ch5\u003eDoes it have a transmission cooler?\u003c\/h5\u003e\u003cp\u003eNo. This LS-swap radiator is meant to be used with a separate external transmission cooler.\u003c\/p\u003e\u003ch5\u003eHow many rows is the core?\u003c\/h5\u003e\u003cp\u003eA 2-row core with two 1.25 inch tubes and 16 corrugated fins per inch.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is included in the GMT556A21LSK kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The dual-flow 2-row polished aluminum radiator plus a cooling fan setup.\"}}, {\"@type\": \"Question\", \"name\": \"What vehicles does it fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 1977-1987 GM C and K series pickup set up for an LS engine swap, plus the matching Blazer, Jimmy, and Suburban.\"}}, {\"@type\": \"Question\", \"name\": \"Does it have a transmission cooler?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. This LS-swap radiator is meant to be used with a separate external transmission cooler.\"}}, {\"@type\": \"Question\", \"name\": \"How many rows is the core?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A 2-row core with two 1.25 inch tubes and 16 corrugated fins per inch.\"}}]}\u003c\/script\u003e","brand":"COLD-CASE Radiators","offers":[{"title":"Default Title","offer_id":41295351775280,"sku":"GSWT_GMT556A21LSK","price":690.54,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/CCRGMT556A21LSK.jpg?v=1712702464","url":"https:\/\/berryperformancesales.com\/products\/cold-case-radiator-fan-kit-1977-1987-gm-pickup-ls-swap-21in-gmt556a21lsk","provider":"Berry Performance Sales","version":"1.0","type":"link"}