2000cc aircooled type 4 engine complete cylinder head. The cylinder head comes fitted with 39.3mm inlet valves, 33mm exhaust valves and Flat/rectangular exhaust ports. These heads have an improved sealing surface so no longer use the sealing rings as originally used. Rocker studs included. 

These are the later style 2 Litre Type-4 Cylinder Heads as fitted to 1979 T2 Baywindows and 1980-83 T25/T3 models.