【Fitment】- Compatible with 55-57 Chevy Bel-Air V8 MT / 55-57 Nomad V8 MT / 55-57 One-Fifty (150) Series V8 MT / 55-57 Two-Ten Series (210) Series V8 MT / 1957 Del Ray V8 MT 【Specification】- Overall Size: 25.25" x 22.50" x 3.00" / Core Size: 21.00" x 17.25" x 2.75" / Inlet: 1.50" / Outlet: 1.75" / Transmission Cooler Thread Size: G1/8 【Construction】- Made of High Quality Full T-6061 Aluminum Construction; Bolt-On Aluminum Frame Fan Shroud 【Feature】- High Performance 3-Row Racing Design Radiator which Pre-Installed Pull Fan; Stronger & Higher Capacity for Coolant than Stock Units; Improves cooling by 35 - 45% Temp 【Installation】Direct Bolt-On OEM Fitment or Replacement; Professional Installation is Highly Recommended (No Instruction Included)