overhead camshaft

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Related to Dual overhead cams: Overhead valve

overhead camshaft

n
(Automotive Engineering) a type of camshaft situated above the cylinder head in an internal-combustion engine. It is usually driven by a chain or a toothed belt from the crankshaft and the cams bear directly onto the valve stems or rocker arms
References in periodicals archive ?
For added durability, the engine features a forged-steel crankshaft and connecting rods, and chain- driven dual overhead cams.
With four valves per cylinder and dual overhead cams, noise and vibration, the bane of low-priced compacts, were cut significantly.
The bikes use the same 125cc, 200cc and 375cc single-cylinder engines which feature dual overhead cams and four valves.
All-Terrain-Vehicle maker, Polaris upped the ante by launching its powerhouse RZR XP 900 HO Jagged X Edition side-by-side, giving adventure-seekers the chance to rip dunes, explore trails and conquer rock faces with a high-powered, premium-spec machine that features 88 HP, Dual OverHead Cams (DOHC), four large valves for high RPM power and 180 degree crank shaft for balanced performance.
According to certain Swedish auto industry sources, the model is to be equipped with either a Yamaha-sourced 4.4-litre V8 with dual overhead cams, or a tuned, turbocharged straight-six cylinder engine.
The in-line 3-cylinder outboards feature dual overhead cams, a maintenance-free timing chain and electronic fuel injection.
The new H3T will be available with a Vortec 3.7-liter in-line five-cylinder with dual overhead cams and variable valve timing offering most of 255 horse power at 5,800rpm, while torque of 327Nm of torque comes at 4,600rpm.This power is transmitted to the wheels via a five-speed automatic gearbox.
The new H3T will be available with a Vortec 3.7-litre in-line five-cylinder engine with dual overhead cams and variable valve timing offers most of 255hp at 5,800 rpm, while 327 Nm of torque comes at 4,600rpm.
Additionally, a four-valve version of the 2.5 TD, this one with dual overhead cams, will also be added.