Keep your engine cool with this polished high performance aluminum radiator. Manufactured from tig welded aircraft grade aluminum with brazed aluminum cores and billet filler necks each radiator offers high capacity cooling with louvered fins and 3/8 spacing between 3/4 core tubes. Designed for direct fit installation. Radiator cap is included.Specifications:19 x 28-1/4 x 2-1/2 core dimensions21-1/8 x 33-1/4 x 3 overall dimensions1-1/2 drivers side inlet1-1/2 passenger side outlet Important: All radiators have built-in automatic transmission coolers and can be used in both automatic and manual transmission applications. Fittings are not pressure fittings and should only be hand tight. Over tightening of fittings could cause damage to radiator by stripping the threads