These Holley Transmission Installation Kits come complete with everything you need to bolt a TKX or TKO transmission to a 1970-1990 454 big-block Chevrolet engine. Built with a mixture of our best brands including Lakewood, Hays and Mr. Gasket. Kit includes: A roller pilot bearing, bellhousing with dust shield, billet steel flywheel, clutch and pressure plate, hydraulic release bearing, and all hardware needed to install these components.