Exhaust Valves & Head Assembly
| Ref | Part # | Description | Price | Qty. required | |
| 1 | 85665 | CYLINDER HEAD, left hand | 2 | currently unavailable | |
| 2 | 85664 | CYLINDER HEAD, right hand | 2 | currently unavailable | |
| 3 | 40302 | VALVE GUIDE, 0.563 | $70.00 | 4 | |
| 4 | JG-5455 | VALVE GUIDE, 0.003" Oversized 0.566 | $60.00 | 4 | |
| 5 | JG-5426 | VALVE GUIDE, 0.014" Oversized 0.577 | $80.00 | 4 | |
| 6 | 40341 | VALVE SPRING, intake & exhaust | $14.00 | 4 | |
| 7 | 42551 | VALVE SPRING KEY, | $1.75 | 8 | |
| 8 | 41873 | VALVE SPRING COLLAR, 5/16" valve stem | $15.00 | 8 | |
| 9 | 40300 | EXHAUST VALVE SEAT | $200.00 | 4 | |
| 10 | 40343 | EXHAUST VALVE, | 4 | currently unavailable |
