3 Cylinders removed, including the pistons, & valves from Continental C-85 engine. $300 each. Compression when removed is 77/80; 75/80; 72/80. All cylinders are + .015. Cylinder # 4 had low compression because of the exhaust valve so I replaced all 4 cylinders with new ones. I believe these cylinders will also fit Continental C-75; O-200-A, -B; C-125-2; C145-2, -2H; O-300-A, -B, -C, -D.