Northeast DIRT Modified RadiatorsAll Aluminum, Race ready Big Block capacity Radiators with 1/4 NPT fitting and fan shroud brackets, NO cap.Aluminum Brazed Core. 2 Rows 1.5" Tubes, 11 fins per inch. Direct Drop - in replacement for all Bicknell, PMC, TEO, Troyer and similar Modified Chassis. Complete with Fan shroud mounting tabs. Lightweight 22 lbs. Extremely efficient and easy to clean. Proven successful by top Modified teams. Double Pass Right, Top Right, Bottom Right Radiator23.5" x 23.5" x 3.5"