Koyorad Half-Size Aluminium Racing RadiatorUnless noted otherwise, all Koyorad V Series All Aluminum Radiators are Nocolok brazed, designed as a factory fit, direct bolt in with no engine modifications necessary, and retain mounts for the stock fan shrouds and fans. See notes in individual item descriptions for details. Our Quality: Precise Tube and Fin Alignment Construction under strict quality control and solid boxing result in tubes with optimal coolant flow and fins with highly efficient