• JE-Pistons Single HD Shvelhd 80″ ’78-84 9.5:1 3.503 +.005
  • JE-Pistons Single HD Shvelhd 80″ ’78-84 9.5:1 3.518 +.020
  • JE-Pistons Single HD Shvelhd 80″ ’78-84 9.5:1 3.528 +.030