Website Tutorial Videos Hayes Original Flywheel Couplings Selection Tool HEX-FLX Flywheel Coupling Selection Tool Helpful Installation Videos (Click link below) HEX-FLX Patented Locking System HEX-FLX SAE Install Changing to a HEX-FLX Flywheel Coupling on Machine Gear Box Assembly Video Hayes Original Flywheel Coupling with Flat Face Flywheel Misc. Projects and Processes (Click link below) Custom Customer Project Some Custom Spline work Hayes Flexible Jaw Coupling for Compressor Splined Adapters and Splined Shafts Assembly and Shipping Testing Videos (Click link below) Testing Custom Yoke Drive Flywheel Coupling HEX-FLX Flywheel Coupling Testing Gear Box Setup and Testing News and History (Click link below) Visual Management (Lean Manufacturing) A little help from the MEDC (Export Project) The History of Hayes Manufacturing, Inc. Just for Fun (Click link below) Helicopter lands to pickup Hayes Coupling Hayes wants to be your best supplier!!