Radiator for Rolls Royce Silver Shadow II Silver Wraith II (1977-1980) 6.8L

High-Efficiency Direct-Fit Aluminum Radiator for 1977-1980 Rolls Royce Silver Shadow II, Silver Wraith II (SY Chassis)

What it Does: 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.

The Stock Rolls Royce Silver Shadow II, Silver Wraith II Thermal Dissipation Limitations

The factory copper-brass radiators fitted to the SY 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 L410 6.75L V8, degraded heat exchange results in severe temperature spikes in low-speed traffic, risking blown head gaskets and premature auxiliary component fatigue.

The Engineering Solution

Engineered 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.

What's Included

• 1x All-Aluminum 2-Row Downflow Radiator

Technical Specifications

Compatibility

• 1977-1980 Rolls Royce Silver Shadow II 6.75L V8 (Automatic Transmission)
• 1977-1980 Rolls Royce Silver Wraith II 6.75L V8 (Automatic Transmission)
• 1977-1980 Bentley T2 6.75L V8 (Automatic Transmission)

Frequently Asked Questions & Fitment Warnings

Does this fit the SY Silver Shadow II, Silver Wraith II?

Yes, this is a direct fit for the 1977-1980 Rolls Royce Silver Shadow II, Silver Wraith II equipped with the L410 engine. This radiator is engineered strictly for automatic transmission vehicles; manual transmission configurations are excluded.

Do I need to flush the cooling system prior to installation?

Yes, 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.

The Rolls Royce Caliber

Maintaining a classic British saloon requires component metallurgy engineered to handle heavy cooling demands with exact dimensional alignment and zero fluid leaks.