When Ford introduced the second-generation F-150 Raptor in 2017, the company replaced the truck's 6.2-liter V-8 with a more ...

By the way, the new high-performance exhaust system can be made from ... electronic sound management via actively controlled butterfly valves.

It's an incredibly simple, elegant design; thrust is generated like waves by use of a spring-loaded butterfly valve that closes ... These pulses generate exhaust, which provides the thrust.

Up top was a 24-valve DOHC layout with 35 millimeter intake and 30 millimeter exhaust valves ... At lower engine speeds, a butterfly throttle in the short runners remains closed and then opens ...

Air Conditioners, Self-Contained, 5 - 15 Tons, Air Cooled Air Conditioners, Self-Contained, 5 - 15 Tons, Water Cooled Air Conditioners, Self-Contained, Over 15 Tons ...

Our factory production of butterfly valves, small size, light weight, flexible operation, Good regulatory opening and closing rapidly.Not only has a good seal, and fluid resistance. Valve body with ...

From a new price $94.43 Cheap! 12.1% off ...