It's a 2005 kicker. It's a stock stroke and stock bore, racers edge did the porting, valve work (+1 valves), 13.5:1 CP piston, new crank with a carrillo rod, monster shorty exhaust, dynatek ignition, +4" stellar swingarm, JJ&A play axle, Houser +1 steering stem. It was originally running T4...