Proform's new Pneumatic Valve Spring Compressor can cut cylinder head disassembly time in half. Pulling the tool's trigger supplies up to 350 pounds of force using 125-psi air-compressor pressure.

Pneumatic Valve Springs. Media Platforms Design Team. The 1000-cc four-cylinder engines in MotoGP bikes can rev to 17,000 rpm. The top teams use pneumatic valve springs to close the valves, ...

Valve spring shims are 0.015 and thicker, provided in packs of 16. Add enough shims between the valve spring seat and the lower retainer to get the height to meet the 1.800 specification. See All ...

It stands to reason that if you run a .600-lift cam, the valve springs must not coil bind at .550 lift or even .600 lift, ... that allowed us to dial in the air/fuel and timing.

Cowan Dynamics, a leading provider of actuation and process control solutions for industrial and manufacturing clients worldwide, launches its AS Series spring return pneumatic valve actuator. The ...

MotoGP factory Honda duo Nicky Hayden and Dani Pedrosa will not race the new RC212V pneumatic valve engine in this weekend’s Catalunya GP. After lengthy discussions with Honda engineers and team ...

Other components, including the height adjustment and pressure limiting valves, air filter, ... Air springs cost from about $100 each for high-volume parts to $220 for more unusual types, he said.

Valves or poppet valves, controlthe inflow and outflow of air inside thecylinder for burning fuel and powering thevehicle. Valves are operated by the camshaftsplaced above them. Valves sit in ...