Etypen3.8 Jaguar or 3.4, 3.8  saloon head or camshaft breather. This is the NON  oil fume vapor trap kind, used until about  1965. Contact ne if you need the 4.2 type,.I am located in Sebring Florida, and . Please look on my eBay store; Old English Motor Company, which has 20 categories of English parts, including Jaguar Etype. You may inquire  or with questions  at   1954JAGUARS, or  1954JAGPART , or for Free advice .  Florida 33870. US shipping or overseas is by USPS Thank you, James Dean, thejaguru.