Car parts (bit naughty)

I was in a pub in Yorkshire and met this bloke who reckoned he could guess any car part when blindfolded, so I put him to the test.

First off I handed him a headlight. He felt it for a while and said it came off a 1932 Morris Oxford, he was right.

Second offering was a door handle. After a while he said it was off a 1960 E type Jag, coloured yellow. Amazing he was right.

Mightily impressed, I handed him the final offering a spark plug. To my astonishment he pulled his trousers down then shoved it up his arse.

After some time he said "Eee lad, that's

Spoiler:

champion"