{"product_id":"radiator-for-rolls-royce-silver-shadow-ii-silver-wraith-ii-1977-1980-6-8l","title":"Radiator for Rolls Royce Silver Shadow II Silver Wraith II (1977-1980) 6.8L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Efficiency Direct-Fit Aluminum Radiator for 1977-1980 Rolls Royce Silver Shadow II, Silver Wraith II (SY Chassis)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The all-aluminum downflow radiator replaces the aging, clogged factory heat exchanger on 1977-1980 Silver Shadow II and Silver Wraith II models to eliminate heat soak and stabilize coolant temperatures under demanding operating conditions.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Rolls Royce Silver Shadow II, Silver Wraith II Thermal Dissipation Limitations\u003c\/h3\u003e\n\u003cp\u003eThe factory copper-brass radiators fitted to the \u003cstrong\u003eSY\u003c\/strong\u003e chassis inevitably suffer from internal tube scale, fin deterioration, and solder bloom after decades of use. Solder joints crack under thermal cycling, and restricted downflow passages drastically impede coolant velocity. When paired with the immense thermal mass of the cast-aluminum \u003cstrong\u003eL410\u003c\/strong\u003e 6.75L V8, degraded heat exchange results in severe temperature spikes in low-speed traffic, risking blown head gaskets and premature auxiliary component fatigue.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered for maximum thermal transfer, this replacement unit features a 2-row, 56 mm all-aluminum core constructed via vacuum furnace brazing—eliminating epoxy failure points entirely. Durable, hand-TIG-welded 5052 aluminum end tanks replace brittle soldered brass tanks, resisting split seams and high hydraulic pressures. Downflow tube geometry provides superior coolant flow velocity, while high-density louvers increase surface dissipation to maintain steady operating temperatures. The unit drops into original factory brackets and integrates integral ports for factory automatic transmission cooler lines.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1x All-Aluminum 2-Row Downflow Radiator\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100% style=\" border-collapse: collapse border: solid font-size: min-width:\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e1977-1980 Rolls Royce Silver Shadow II, Silver Wraith II\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eRolls-Royce L410 6.75L V8 \/ SY Chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e220 hp \/ 340 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eRRR001\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1977-1980 Rolls Royce Silver Shadow II 6.75L V8 (Automatic Transmission)\u003c\/li\u003e\n  \u003cli\u003e1977-1980 Rolls Royce Silver Wraith II 6.75L V8 (Automatic Transmission)\u003c\/li\u003e\n  \u003cli\u003e1977-1980 Bentley T2 6.75L V8 (Automatic Transmission)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the SY Silver Shadow II, Silver Wraith II?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 1977-1980 Rolls Royce Silver Shadow II, Silver Wraith II equipped with the \u003cstrong\u003eL410\u003c\/strong\u003e engine. \u003cstrong\u003eThis radiator is engineered strictly for automatic transmission vehicles; manual transmission configurations are excluded.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to flush the cooling system prior to installation?\u003c\/h4\u003e\n\u003cp\u003eYes, a comprehensive system flush is required before installation to purge residual rust scale and particulate matter that could clog the high-efficiency aluminum core channels.\u003c\/p\u003e\n\n\u003ch3\u003eThe Rolls Royce Caliber\u003c\/h3\u003e\n\u003cp\u003eMaintaining a classic British saloon requires component metallurgy engineered to handle heavy cooling demands with exact dimensional alignment and zero fluid leaks.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67610962395384,"sku":"DS-EP44P8URY","price":546.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/radiator-for-rolls-royce-silver-shadow-ii-silver-wraith-ii-1977-1980-6-8l-1.jpg?v=1791566640","url":"https:\/\/performancechiptuning.com\/es\/products\/radiator-for-rolls-royce-silver-shadow-ii-silver-wraith-ii-1977-1980-6-8l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}