| | GHP Part # | Description | Application | Quantity | Price |
| Piston Rings |  | | | | |
| 4190-STD
4190-030 | Moly Coated Piston Ring Set,
Standard bore 4.3125 and +.030", +.040" | Buick
425
455 | Set | $95.95 |
| | | | | |
| Flexplates | | | | | |
| 4201 | SFI approved heavy duty flexplate. | Buick
400-455 | 1 | $79.95 |
| 4202 | Stock replacement flexplate | Buick
300-340-350 | 1 | $99.95 |
| | | | | |
| Harmonic Balancers | | | | | |
| 4130 | SFI Approved, external balance, All steel Construction | Buick
400-455 | 1 | $315.95 |
| 4131 | SFI Approved, external balance, Inner steel and alloy exterior construction | Buick
400-455 | 1 | $315.95 |
| 4133 | Stock Replacement Harmonic Balancer | Buick
400-455 | 1 | $249.95 |
| | | | | |
| Timing Chain Sets | | | | | |
| 4230-.010 | Billet Steel Double roller timing set, nine keyway -
Standard size, .005" and .010" undersized N | Buick
400-455 | 1 | $149.95 |
| 4232 | Heavy Duty Double roller timing set, three keyway - | Buick
400-455 | 1 | $95.95 |
| 4233 | Heavy Duty Double roller timing set, three keyway - New! | Buick
215-300-340-350 | 1 | $79.95 |