XP 975 CC Billet Big Bore Kit (The Original Billet Big Bore)
Kit includes a one piece 6061 billet aluminum big bore cylinder with nikasil coated bore. Two 98mm CP pistons available in 9.5:1 (turbo), 11.5:1 (pump gas), and 13:1 (race gas) compressions. Cometic MLS Top end gasket included.