Fits the classic reliant engine 600cc before the engine was designed with a breather pipe,so not the 750/850cc types.fits 3/25 600cc,+the classic hillman imp.,105g.The measurement are outside diameter 90mm,underneath the Center round part is 35mm diameter,26mm long.
The part in new old stock,has some unwanted marks as photos,scratched top,and is fitted with a new rubber ring.
Sellers reminder only,stock item location,yellow bin large 51 bedroom 17/11/23