Ford Windsor Finned Hot rod style valve covers, these rocker covers are taller inside to accept roller rockers, and also are on a steeper angle to clear the rocker arms on the inlet manifold side. The AS0065B Ford Windsor wrinkle black powder coated with satin fins fit 260, 289, 302 and 351 engines. If you are after a cheap lite weight die cast valve cover that is prone to twisting, cracking or leaking and can not be welded or modified then these covers are not for you.
The Valve covers are supplied with 2 rubber grommets, one suits oil caps and the other has a smaller inside diameter for PCV valves
The Aussiespeed Ford V8 valve covers have a cast in full shrouded breathers,the covers are supplied with both pcv and breather cap rubber grommets. Made here in Australia by Aussiespeed
The Aussiespeed windsor valve cover dimensions are below
Inside low side 85mm
Inside high side 115mm
central fins 115mm
outside fins 100mm