276 stroker from 35 years of parts

[Tim Ayers]

Originally Posted by tubman

Yep, Barney Navarro was also an advocate of "pop-up" pistons in flatheads.

Navarro's pop-up piston design is quite different than what we see here.

The piston was made with an actual protrusion that rose above the deck and would match accordingly to a corresponding pocket in the head.