The phrase "hollow camshafts" refers to camshafts that have empty spaces inside them. They are used in engines and have benefits such as reducing weight and improving performance. Full definition
To further reduce weight, thin - wall hollow camshafts are used. (hondanews.com)
Race car technology As with its coupe sibling, race car technology runs right through the DNA of the V12 Vantage S Roadster with, for instance, CNC machined combustion chambers and hollow camshafts just two examples of track technology feeding through to the road. (astonmartin.com)
Its all - aluminum construction and hollow camshafts keep the engine lighter for a better - handling vehicle. (continentalacura.com)