Tusk Clutch Kit with Heavy Duty Springs for HONDA TRX 400EX 1999-2008 The Tusk Clutch Kit with Heavy Duty Springs includes the complete set of friction, separator plates, and springs. All Tusk clutch kits include steel plates that last longer than alloy units and prevent heat distortion. The increased flywheel effect of the steel plates improves power spread. Tusk Clutch Cover Gasket for HONDA TRX 400EX 1999-2004 Special Notes: This is the great new inner clutch cover gasket for the XR400. Tusk clutch cover gaskets are made from quality materials to meet or exceed OEM requirements. These gaskets are made to replace the stock clutch cover gaskets with the same fit and sealing properties, but at a better price. Some clutch cover gaskets are a synthetic fiber type gasket, while others are a rubber O-ring style. The Tusk gasket will meet the requirements of your machine (same as stock). Replacing your clutch cover gasket is a must whenever the cover is removed to ensure a proper seal. Tusk clutch cover gaskets are made from quality materials to meet or exceed OEM requirements, but at a better price. The clutch cover gasket will match the requirements of your machine (synthetic fiber type or rubber O-ring type). Gaskets should always be replaced when installing a new clutch or anytime the clutch cover is removed.