Its a 388ci stroker, word product sportsman ll heads, crane rockers, new summit cam, had 4.11 gears its got 3.23 now waiting to find some 3.73. Ran it with 33" bfg all terrains and won the class i was in, motor is being rebuilt due to a burnt out piston hopefully get her back on the road and maybe lower it an inch or 2 and put drag radials on it