Vacuum Advance Distributor 1600cc, 62-79. 043-905-205R 043905205R £55.00 Quantity: at £55.00 each Add To Basket Standard vacuum advance distributor for 1200-1600cc Aircooled T1/2 engine. Single vacuum advance + centifugal advance (sometimes referred to as ''SVDA'' distributor). Comes with oil seal. Great quality part, this is the distributor used on all the new built mexican engines, so definitely tried and tested.