Radiator Specification 4-Row of tubes Core Racing Design Core Material: All Aluminum Tank Material: T-5057 Aircraft Grade Aluminum Includes CNC machined filler neck and cap OEM style brass petcock drain Fans Details Maximum Fan CFM: 1730 cfm Fan Diameter (in): 12.050” Thickness (in): 2.500” Number of Blades: 10 Blades Maximum Fan RPM: 2,250 rpm Blade Material: Plastic Amp Draw: 12.70 amps Includes the Mounting Tabs for an Easy Zip Tie Installation This Radiator Compatible With 1967-1972 Chevy C/K Series 10 20 30 Pickup Suburban V8 1969-1972 Chevy Blazer 5.0L 5.7LV8 1967-1979 G/P Series P10 P20 P30 G10 G20 G30 Van 1970 1971 1972 GMC Jimmy I6 V8 1967-1972 GMC C/K Series K25/K2500 K35/K3500 C15/C1500 Pickup Suburban 1967-1979 G/P Series P15 P25 P35 G15 G25 G35 Van PLS NOTE: FIT 28 1/4" WIDE CORES Only, some radiator have 26 1/4 " WIDE CORE Direct Fit for Easy Installation Direct Bolt-On OE Fitment or Replacement. Notes: Installation instruction is not included. Professional installer is highly recommended! Part Number: DPI369, CC369, CU369, 0369AA, 369, MC369, CC369, DPI369, MC369, EC369, CU369, RA-CK67-3, RA-CK67-2, 8010369, 433366 Direct Fit for Easy Installation HonorPower Radiator recognizes the need of high quality cooling system products and has stepped up as the leader in the industry by fulfilling the expectations. Each product is made of the highest quality material and craftsmanship, using advanced technologies and stringent quality control. Quality has always been the driving force behind our operation since the company inception.