overhead camshaft

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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 ?
Tropical wetlands initiatives for climate adaptation and mitigation (TWINCAM) Final Report 1 October 2011-30 September 2012.
"The sound of the straight six, twincam engine revving at more than 8000rpm is something all petrolheads should hear.
The non-circular chainring shape was described as a skewed ellipse or a twincam, where the major and the minor axes are not perpendicular (Figure 1).
Darker and lower than the original icon of fat-custom style, the 2010 Fat Boy' is a Softtail' motorcycle that features a counter-balanced TwinCam 96B engine, 6-speed cruise drive transmission and new Helical-Cut 5th gear.
The 1969 S2 version was a little better but it was not until 1971 that the Europa got on the fast track with the twincam engine it deserved.