Lifeguard,
Good to know the 292 would fit with the "Low Riser" valve cover. I measure its height at 2-3/4", vs 3-1/2" for the early tall valve cover. I GUESS they interchange though I've never tried it, since I'm sure the taller valve cover adds power on the street since it says "Chevrolet" on top. I guess you could use the shorter 2-3/4" no-name valve cover, add a "292 HiTorque" decal and gain back some of the lost valve cover power, LOL.

Hard to believe they left 3/4" of free space under the early cover but I guess they did.