Any Chevy engine, if it's well-modified or just slightly warmed-over, requires a good set of valve seals. Originally, a small rubber O-ring, fitted in the second valve stem groove, served as the only ...

FORT WAYNE, Ind.—Trelleborg Sealing Solutions is pushing to market a new spring-energized, high-pressure seal for the oil and gas industry, single-piece components that can make installation safer and ...