Oil Cooler, 9 Plate 2 Pass, from Aero Classics

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Aero Classics is your new alternative source for Lycoming Oil Coolers. Have it all, superior performance, lighter weight and lower cost! In side-by-side tests Aero Classic aluminum plate and fin engine oil coolers out-performed the competition. Don't sweat the hot day climb. Pressure tested at 300 psig. Corrosion protection per MILC-5541 Class 1A.