Consist of factory block, stock or aftermarket pistons, rods, head and main studs, stock cylinder heads, light boost levels, stock bore sizes, stock or aftermarket bearings, stock or aftermarket gaskets. For Rotary engines factory rotor and side plates, engine studs, factory or stock rotors, stock porting, street porting, 2mm apex seals.
Consist of factory or aftermarket block, aftermarket pistons, rods, valvetain, mild bore, light cam upgrade, aftermarket valvetrain, medium boost levels, small shot of nitrous, aftermarket heads, light head porting, head and main studs, aftermarket bearings, aftermarket gaskets, aftermarket intake manifold, fuel system upgrade, balanced rotating assembly. For Rotary engines factory or aftermarket rotor housings and side plates, engine studs standard size or upgraded, aftermarket rotors, street port, bridge port, 2mm apex seals, 3mm apex seals.
Consist of factory or aftermarket block, aftermarket crank, pistons, rods, cams, heads, ported heads, bored, high boost level, big shot of nitrous, valvetrain, bigger valves, aftermarket bearings, head and main studs, aftermarket gaskets, aftermarket intake manifold, upgraded fuel system, balanced rotating assembly, side clearance. For Rotary engines aftermarket rotor and side plates, bridge port, peripheral port, bigger engine studs, 2mm apex seals, 3mm apex seals.