Description B18 / B20 Volvo 32/36 DGAV kit – Water choke 32/36 DGAV Auto choke carburettor kit for Volvo B18/20 engines. Supplied with manifold, carburettor, air filter and linkage, this kit offers an excellent balance of performance and economy, all at an extremely competitive price Please note that the dimensions are as follows: Height from top of intake port to top of air filter     155mm Manifold depth from flange    190mm Overall depth from manifold flange to water choke housing     250mm JD PVO103