Kenworth, T600, T800, W900, Radiator Core, 40 x 28 3/4 x 2 7/8, 5 Row R core 11 FPI, Headers: 32 1/8 x 7 15/16, 40 Bolt, Centered, HEAVY HEADERS .128 (A-9845-L-5-HH, 226032, AL9075C, E4313-4, E2651, E2391, E2651-2, E431