VW Splines Explained, How to dial in your height
Spline adjustment chart
| Inner Spline | Outer Spline | Approximate drop |
| +1 | -1 | 0.55 cm |
| +2 | -2 | 1.10 cm |
| +3 | -3 | 1.65 cm |
| +4 | -4 | 2.20 cm |
| +5 | -5 | 2.75 cm |
| +6 | -6 | 3.30 cm |
| +7 | -7 | 3.85 cm |
| +8 | -8 | 4.40 cm |
| +9 | -9 | 4.95 cm |
| +10 | -10 | 5.50 cm |
| 0 | +1 | 5.50 cm |
| +1 | 0 | 6.00 cm |
| +2 | -1 | 6.55 cm |
| +3 | -2 | 7.10 cm |
| +4 | -3 | 7.65 cm |
| +5 | -4 | 8.20 cm |
| +6 | -5 | 8.75 cm |
| +7 | -6 | 9.30 cm |
| +8 | -7 | 9.85 cm |
| +9 | -8 | 10.40 cm |
| +10 | -9 | 11.00 cm |
| +11 | -10 | 11.55 cm |
| 0 | +2 | 11.00 cm |
| +2 | 0 | 12.00 cm |
