Our Jet Boats Our Jet Boats Jettec 21ft-23ft Marathon boats The Jettec 21ft tunnel hull, first one off the line in May 2023.The 21ft hull is great for CX class which runs a crate Chev v8 525hp.We also have built a 23ft which will be running a 2000hp gas turbine engine! Get a Quote Specifications Length: 6.3m 21ft Beam @ chine: 1220mm 20° deadrise at transom 10mm keel plate, 4mm tunnels 2.5mm sides 5mm Raex steel plate overlay Biz sponson caps All marine grade aluminium View Photo Gallery The power pack, Various engine packages include light weight jet ski powertrain, space saving V6 engines and the great sounding powerful aluminium V8 engine. 1 of 1« PreviousNext » Quote