For cylinder flat four, 3 L. Purpose built., ARPM, forged aluminum crank case, heads by Dee,s Mallory magneto ignition and coil, alcohol fuel injection, with nitrous shot, and additional nitro injection dry sump oil system, Hilborn fuel injection, lightened flywheel, with dual disc clutch, glorious, 2 inch stainless steel exhaust and matching super trap muffler,, Motor comes complete with oil tank, nitro tank, and nitrous bottle, Oil filters ,fuel filters and all necessary hoses and fittings, this motor can easily be converted to gasoline,, make offer for more information,805 479 7774