| 012.880 CYLINDER HEAD PI L/F / TR5/6 | 012.880 | CYLINDER HEAD PI L/F / TR5/6 | € 2,075.21 | € 2,511.00 | | | |
| 012.882 TR5/6 L/F CARB. HEAD | 012.882 | TR5/6 L/F CARB. HEAD | € 884.58 | € 1,070.34 | | | |
| 012.883 TR5/6 L/F CARB.HEAD | 012.883 | TR5/6 L/F CARB.HEAD | € 1,080.87 | € 1,307.85 | | | |
| 012.881 TR5/6 L/F CYLIN.HEAD | 012.881 | TR5/6 L/F CYLIN.HEAD | € 577.74 | € 699.07 | | | |
| 012.884 TR56 L/F CARB.HEAD | 012.884 | TR56 L/F CARB.HEAD | € 602.01 | € 728.43 | | | |
| 161.286 CYL.HEAD NUT-TR5&6 - 7/16"UNF | 161.286 | CYL.HEAD NUT-TR5&6 - 7/16"UNF | € 6.33 | € 7.66 | | | |
| 012.373 EX GUIDE BRONZE / TR6-S12, SPITFIRE | 012.373 | EX GUIDE BRONZE / TR6-S12, SPITFIRE | € 12.84 | € 15.54 | | | |
| 012.179 EXHAUST VALVE 31.9x7.9x116.9 / TR5->6, SPITFIRE | 012.179 | EXHAUST VALVE 31.9x7.9x116.9 / TR5->6, SPITFIRE | € 17.51 | € 21.19 | | | |
| 012.180 EXHAUST VALVE.30.4x7.9x117.02 | 012.180 | EXHAUST VALVE.30.4x7.9x117.02 | € 10.08 | € 12.20 | | | |
| 016.205 GASKET, CYLINDER HEAD, FLAT / TR5->6, SPITFIRE | 016.205 | GASKET, CYLINDER HEAD, FLAT / TR5->6, SPITFIRE | € 26.79 | € 32.42 | | | |
| 016.198 HEAD SET / TR5->6 67-71 | 016.198 | HEAD SET / TR5->6 67-71 | € 28.26 | € 34.19 | | | |
| 016.377 HEAD SET, PI / TR5-6 -'71 | 016.377 | HEAD SET, PI / TR5-6 -'71 | € 27.65 | € 33.46 | | | |
| 063.059 HEATER VALVE / TR4-6 | 063.059 | HEATER VALVE / TR4-6 | € 46.22 | € 55.93 | | | |
| 012.178 INLET 36.6 x 7.9 x 117.2 / TR5->6, SPITFIRE | 012.178 | INLET 36.6 x 7.9 x 117.2 / TR5->6, SPITFIRE | € 11.29 | € 13.66 | | | |
| 012.891 SPRING SET, DOUBLE / TR | 012.891 | SPRING SET, DOUBLE / TR | € 31.76 | € 38.43 | | | |
| 012.171 SPRING SET, SINGLE / TR6 | 012.171 | SPRING SET, SINGLE / TR6 | € 29.34 | € 35.50 | | | |
| 017.099 STUDS+FXGS,TR5/6PI HEAD>M/FOLD | 017.099 | STUDS+FXGS,TR5/6PI HEAD>M/FOLD | € 76.71 | € 92.82 | | | |
| 012.890 TR VALVE SPRING SING | 012.890 | TR VALVE SPRING SING | € 31.82 | € 38.50 | | | |
| 012.070 VALVE GUIDE / TR2->6, MIDGET, SPITFIRE | 012.070 | VALVE GUIDE / TR2->6, MIDGET, SPITFIRE | € 4.07 | € 4.92 | | | |
| 012.172 VALVE GUIDE, EXHAUST / TR5->6, SPITFIRE | 012.172 | VALVE GUIDE, EXHAUST / TR5->6, SPITFIRE | € 5.02 | € 6.07 | | | |