The oil coolers should be fitted in a position where airflow can pass through the matrix (usually at the front end of the car, near the radiator) as it is this airflow that cools the oil as it flows through the oilways within the oil cooler.
Universal 19 Row Oil Cooler – High-Performance Aluminium Cooler + AN-10 Fitting
Black Universal 19 Row Oil Cooler AN-10 Aluminum Engine Transmission 10-AN
Universal 19 Row Oil Cooler + AN10 Fittings Engine Gearbox External Cooling Kit
Universal 19 Row AN10 Engine Oil Cooler+Filter Adapter Kit +Oil Lines
Universal 19 Row Engine Oil Cooler Kit + Sandwich Plate + AN10 Oil Lines Kit BK
Universal 13 Row Oil Cooler Oil Lines M20 Filter Adapter Kit Silver Engine Trans
