12200-A2BL-000 Head, Cylinder (50cc, 40mm) 12200-A2C2L-000 Head, Cylinder (70cc, 47mm) 12200-A2C4L-000 Head, Cylinder (90cc, 50mm) 12200-A2D-000 Head, Cylinder (90cc, 52mm) 12200-A2DL-000 Head, Cylinder (100cc, 53mm)
