These base plates allow the JC40 range of air filter elements to be fitted to various carburettors. A blank version is available for applications where a pre-cut base plate is not available.
APPLICATIONS:
| Base Plate Number | Carburettor |
| 2JC40 | SU HS2 BL/Rover A series etc. |
| 4JC40 | SU HS4 Triumph/BL 1500 etc. |
| 5JC40 | SU HS4 MGB 1800 etc. |
| 6JC40 | Weber DCOE Hillman Imp, Vauxhall 2300/2000 |
| 7JC40 | Weber IDF Fiat Twin cam, Rover V8 |
| 8JC40 | Blank baseplate in painted steel |
| 9JC40 | Blank baseplate in aluminium |
| 12JC40 | Stromberg 175CD Lotus Elan (Requires bonnet bulge) |
| 13JC40 | Weber DCOE GM/Lotus 16v/Peugeot |
| 14JC40 | Weber DCOE Lotus Elan (Requires bonnet bulge) |
| 15JC40 | Weber DCNF Ford 1.6 CVH >97 |




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