{"product_id":"21-inch-aluminum-performance-radiator","title":"21-Inch Aluminum Performance Radiator","description":"The Cold Case GMT556A21LSK is a 21-inch aluminum performance radiator specifically engineered for 1977-1987 Chevy\/GMC trucks undergoing an LS engine swap with an automatic transmission. This radiator boasts a robust 100% TIG-welded aluminum construction, ensuring durability and efficient heat dissipation. Its polished OE-style tanks provide a classic aesthetic, while the dual 1.25-inch tubes and 16 fins per inch with corrugated design maximize surface area for superior thermal transfer.\n\nThis performance radiator is designed as a direct fit replacement, simplifying installation. It features a dedicated steam port crucial for LS swap applications and comes pressure-tested for reliability. The oversized 2-row design is highlighted as being more effective for cooling than traditional 3 or 4-row aluminum radiators. For optimal performance, this unit includes dual 12-inch fans and a shroud to enhance airflow.","brand":"Cold Case","offers":[{"title":"Default Title","offer_id":52687416000824,"sku":"GMT556A21LSK","price":456.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687893386.webp?v=1784883817","url":"https:\/\/store.motormia.co\/products\/21-inch-aluminum-performance-radiator","provider":"MOTORMIA","version":"1.0","type":"link"}