Overheating resulting in dropped valve seats and engine failure is certainly one of the biggest and most expensive problems facing XJS V12 drivers. The V12 is probably most vulnerable to overheating at low speeds and in stop and go traffic, when the original mechanical fan turns at its slowest just as maximum air flow is critical. V12 Performance has addressed this problem with the CatCoolerXJS V12 Jaguar cooling fans system, a solution that is effective, rugged and reasonably priced.
The CatCooler Jaguar cooling fans system is designed as a direct drop in replacement for the factory fans and shroud and requires no cutting, welding or other permanent modifications for installation. The CatCoolerfan system fits with either the factory Jaguar radiator or the All mounting hardware is top quality stainless steel and, unlike other similar products, the CatCooler includes all necessary wiring and relays along with detailed installation instructions and is priced at only $459.00.