The Mishimoto Honda Civic SI aluminum fan shroud kit will considerably improve engine cooling functions and the overall performance of your vehicle.All Mishimoto fan shrouds are significantly lighter than standard fan shrouds.The longevity of your engine depends on keeping your engine running cool, especially during those unbearably hot days.A Mishimoto fan shroud will notably improve engine cooling performance by delivering more air to the Civic SI aluminum radiator and driving out excess heat.The fan shroud serves another very important purpose: It'secures the fan blades, preventing potential damage to other essential engine components.. The Mishimoto Honda Civic SI aluminum fan shroud kit will considerably improve engine cooling functions and the overall performance of your vehicle.All Mishimoto fan shrouds are significantly lighter than standard fan shrouds.The longevity of your engine depends on keeping your engine running cool, especially during those unbearably hot days.A Mishimoto fan shroud will notably improve engine cooling performance by delivering more air to the Civic SI aluminum radiator and driving out excess heat.The fan shroud serves another very important purpose: It secures the fan blades, preventing potential damage to other essential engine components.. High-performance component designed to enhance thermal efficiency, durability, and reliability under demanding conditions. Engineered to support optimal temperature control and system performance across applications.. 2008 Honda Civic MUGEN Si 2.0 Liter PNN3, 2007-2010 Honda Civic Si 2.0 Liter PNN3, 2006 Honda Civic Si 2.0 Liter PNN4, 2011 Honda Civic Si 2.0 Liter SPNM. Performance Aluminum Fan Shroud Kit, fits Honda Civic SI 2006-2011. Mishimoto 06+ Honda Civic SI Aluminum Fan Shroud Kit. Honda Civic SI Performance Aluminum Fan Shroud Kit. Fits both stock and Mishimoto radiators. Includes two fans, each over 1150 CFM. Engine Cooling Fan Assembly. Mishimoto MMFS-CIV-06SI. Cooling Fan Assembly. Maximizes airflow

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