Here's a scan of one of the pictures of the complete TurboForce kit for the 1978 H-O Racing catalog. All the parts lightly colored were part of the kit. Also, the pressure bonnet is a polished variant (stock was left as cast and machined) of version 3. There are also additional parts not shown in the previous pictures of the one restored for 78Macho.
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Craig Hendrickson, the "H" in H-O Racing Specialties.
http://www.OriginalHO.com