DescriptionWhen you've spent the time and money putting a big bore on your machine, don't trust an inferior gasket to keep that extra power in check. With the Wiseco Big Bore Replacement Gasket Kit you'll get everything you need to button up your big bore and keep it running right. This kit comes with all the gaskets and seals you need to do a complete rebuild for a 440 big bore engine on your dirt bike, ATV, or dual sport. Each and every component is made to exacting standards from the best materials to ensure a proper fit and superior sealing against the increased forces that come with bored engines. With years in the industry and performance that has long been established, you can count on Wiseco to deliver one of the best, most complete gasket kits available. Pick up a Wiseco Big Bore Replacement Gasket Kit and start riding on a motor that will feel more fresh than ever. Also Fits: Honda TRX 400X 2009 Honda TRX 400X 2012-2014 Honda XR400R 1996-2004 Bullets change to: Complete kit for top and bottom end rebuilds. Contains all necessary gaskets, O-rings, and seals. High quality gasket material. Gasket set for the 440 big bore kit.