Chicago Bears quarterback Caleb Williams (18) is sacked by Detroit Lions linebacker Jack Campbell (46) during the second half of an NFL football game in Detroit, Thursday, Nov. 28, 2024.

The aluminum alloy pistons have two compression rings, an oil regulator, and an oil scraper ring. The 249 lb (113 kg) engine powers numerous aircraft, such as the Grob G 115, Piper PA-38 Tomahawk, and ...