XTRA COOL GOLD is suitable for use in all vehicles not requiring anti-freeze protection, both petrol and diesel. JAGUAR XJ 6 4.2L XK 4.2 ( -79) DOHC 12v Petrol 6cyl 124kW Sedan RWD [11/73 - 01/80]. JAGUAR XJ 6 4.2L XK 4.2 ( -79) DOHC 12v Petrol 6cyl 137kW Sedan RWD [10/69 - 05/75].
