Alderson Tractor
| Super MD-450D 4" S&P Kit | $1100 |
| MD-450D Main Bearings Std., 010, 020, 030 | $475 & up |
| MD-450D Cam Bearings | $225 |
| W9 Gas Std. Main Bearings | $250 & up |
| W9 Gas Std. Rod Bearings | $50 each |
| W9 Gas 030 Rod Bearings | $50 each |
| W9 Gas Head gasket set | $98 |
| F20 4" Sleeve & Piston kit flat tops | $800 |
| MD-450D Intake Valves | $28 |
| MD-450D Exhaust Valves | $28 |
| MD-450D Starting Valves | $28 |
| W9 Std Rod Bearings | $50 each |
| W9 .030 Rod Bearings | $50 each |
| W9 Head Gasket Set | $98 |
| WD9 Main Bearings .030 | $450 |