50's olds valve covers

[leadsleadolds]

Was 49 and 50 the only years that olds had the valve covers with the wire looms on them.this is the best I could do for a pic right now but you get the point.
http://img.photobucket.com/albums/v378/leadsleadolds/HPIM0086.jpg

[Rocket88]

Possibly 51 as well.

[bigron]

my 53 doesn't have them