The Chevy power catalogue lists part number 3972178 as a replacement for 1967-71 Camaro Z/28.
3927140 .486 lift mild race cam
3965754 .508 lift intermediate racing cam.
I used the 3972178 cam in my 302. with good results.
It has a mild lump to it and is very streetable.
All are mechanical lifter cams.
I use part 5231585 edge orifice lifter.
The .486 lift cam is the mild race cam
Part number 3927140.
I got mine at a local Chev Dealer in two days. I got the lifters with it.
Mechanical means the same as solid lifter.
(Wasn't sure if you realized)
Only 69 Z/28s
Garnet Red 30,000 mi
Rally Green new in 69
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