| 1 | GPX 50 CYLINDER HEAD - EURO 4 & 5 BIKES | 3011043 | £91.99 £76.66 ex VAT | |
| 2 | GPX 50 INTAKE VALVE - EURO 4 & 5 BIKES | 3012104 | £20.99 £17.49 ex VAT | |
| 3 | GPX 50 EXHAUST VALVE - EURO 4 & 5 BIKES | 3012105 | £29.99 £24.99 ex VAT | |
| 4 | GPX 50 VALVE STEM SEAL - EURO 4 & 5 BIKES | 3012036 | £5.99 £4.99 ex VAT | |
| 5 | GPX 50 VALVE OUTER SPRING - EURO 4 & 5 BIKES | 3012101 | £10.00 £8.33 ex VAT | |
| 6 | GPX 50 RETAINER VALVE SPRING - EURO 4 & 5 BIKES | 3012106 | £5.50 £4.58 ex VAT | |
| 7 | GPX 50 COTTER VALVE (1SET/4PCS) - EURO 4 & 5 BIKES | 3012107 | £4.99 £4.16 ex VAT | |
| 8 | GPX 50 VALVE ROCKER ARM - EURO 4 & 5 BIKES | 3012097 | £12.00 £10.00 ex VAT | |
| 9 | GPX 50 ROCKER ARM SHAFT - EURO 4 & 5 BIKES | 3012103 | £14.99 £12.49 ex VAT | |
| 10 | GPX 50 ROCKER ARM TORSION SPRING - EURO 4 & 5 BIKES | 3012102 | £4.99 £4.16 ex VAT | |
| 12 | GPX 50 TAPPET ADJUSTER CAP - EURO 4 & 5 BIKES | 3011048 | £13.99 £11.66 ex VAT | |
| 13 | GPX 50 HEAD GASKET - EURO 4 & 5 BIKES | 3160097 | £22.00 £18.33 ex VAT | |
| 14 | GPX 50 VALVE CAP O-RING 40.94 × 2.62 | 3210044 | £13.99 £11.66 ex VAT | |
| 15 | GPX 50 CYLINDER DOWEL PIN 10×14 | 3270003 | £7.80 £6.50 ex VAT | |
| 16 | GPX 50 CYLINDER HEAD - 1 x FLANGE BOLT SH 6×80mm | 3220043 | £4.80 £4.00 ex VAT | |
| 17 | GPX 50 CYLINDER HEAD - 1 x STUD BOLT 6×32mm | 3222025 | £5.40 £4.50 ex VAT | |
| 18 | GPX 50 CYLINDER HEAD - 1 x PLAIN WASHER 6 x 16 x 2.5mm | 3240060 | £4.80 £4.00 ex VAT | |
| 19 | GPX 50 CYLINDER HEAD - 1 x CAP NUT 6MM | 3227002 | £6.00 £5.00 ex VAT | |
