53 PG had the old style valve cover held on by two bolts. It's aslo very easy to put in studs to use the old cover in any 235.

A note on side covers-some years, I think around 1950, the low pressure 235 used a short side cover.


Grant
1950 Chevy 3100
1952 GMC 150 (In Pieces)
1968 Chevy K20
1966 Shovelhead
1978 BMW 100S