| Part | Manufacturer | OEM Part # | Price | Notes |
| Exhaust Valve |
| Exhaust Valve 38.0/8.00mm |
| From 09/86 to 06/87 | CHK | 11341250129 | 71.92 | |
| From 06/87 | CHK | 11341710788 | 55.96 | |
| Exhaust Valve W/ Oversize Valve Stem +0.1mm 38.0/8.10mm |
| From 06/87 | CHK | 11341711536 | 128.17 | |
| Exhaust Valve W/ Oversize Valve Stem +0.2mm 38.0/8.20mm |
| From 06/87 | CHK | 11341711537 | 130.86 | |
| Intake Valve |
| Intake Valve W/ Oversize Valve Stem +0.1mm 47.0/8.10mm |
| From 06/87 | CHK | 11341711534 | 86.70 | |
| Intake Valve W/ Oversize Valve Stem +0.2mm 47.0/8.20mm |
| From 06/87 | CHK | 11341711535 | 45.55 | |
| Intake Valve 47.0/8.00mm |
| From 06/87 | CHK | 11341705560 | 32.29 | |
| Intake Valve 46.0/8.00mm |
| From 09/86 to 06/87 | CHK | 11341257592 | 32.73 | |
| Intake Valve W/ Oversize Valve Stem +0.1mm 46.0/8.10mm |
| From 09/86 to 06/87 | CHK | 11341711532 | 101.75 | |
| Intake Valve W/ Oversize Valve Stem +0.2mm 46.0/8.20mm |
| From 09/86 to 06/87 | CHK | 11341711533 | 121.00 | |