| 20A8451 | Yes | Cylinder Block Assembly - 50cc - 125cc, 54mm | $109.99 | |
| 20A8905 | Yes | Cylinder Block Assembly - Big Bore, YBR, 125cc to 150cc, 58mm, 14pc | $299.99 | |
| 20A8910 | Yes | Cylinder Block Assembly - Big Bore, 200cc to 250cc, 65.5mm, 14pc | $149.99 | |
| 20A8950 | No | Cylinder Block Assembly - Big Bore, GY6, 50cc to 110cc, 50mm, 12pc | $149.99 | |
| 20A8960 | Yes | Cylinder Block Assembly - GY6, 125cc to 150cc, 58.5mm, 12pc | $99.99 | |
| 20A8970 | Yes | Cylinder Block Assembly - Big Bore, GY6, Performance, 61mm | $149.99 | |
| 20P8440BU | Yes | Cylinder Head Assembly - 44-6 2-Stroke Engine, 44mm, Big Bore, Pocket Bike, Blue | $119.99 | |
| 20P8440GD | Yes | Cylinder Head Assembly - 44-6 2-Stroke Engine, 44mm, Big Bore, Pocket Bike, Gold | $119.99 | |
| 20P8440RD | Yes | Cylinder Head Assembly - 44-6 2-Stroke Engine, 44mm, Big Bore, Pocket Bike, Red | $119.99 | |
| 20P8490BU | Yes | Cylinder Head Assembly - 44-6 2-Stroke Engine, Big Bore, CNC, Dual Valve, Pocket Bike, 49cc, Air Cooled, Blue | $139.99 | |
| 20P8490GD | Yes | Cylinder Head Assembly - 44-6 2-Stroke Engine, Big Bore, CNC, Dual Valve, Pocket Bike, 49cc, Air Cooled | $139.99 | |
| 20P8490RD | Yes | Cylinder Head Assembly - 44-6 2-Stroke Engine, Big Bore, CNC, Dual Valve, Pocket Bike, 49cc, Air Cooled, Red | $139.99 | |
