McLeod is proud to offer steel, aluminum, nodular iron and chromoly flywheels. Their steel flywheels are perfect for the street and are made from billet steel with a hardened ring gear for durability. The aluminum flywheels are ideal for those seeking a lower weight flywheel. All McLeod aluminum flywheels have replaceable Blanchard ground plates and each flywheel comes balanced and SFI Certified.