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2. Aortic valve replacement - Wikipedia

   en.wikipedia.org/wiki/Aortic_valve_replacement

   Aortic valve replacement. ICD-9-CM. 35.21 - 35.22 V43.3. [ edit on Wikidata] Aortic valve replacement is a cardiac surgery procedure whereby a failing aortic valve is replaced with an artificial heart valve. The aortic valve may need to be replaced because of aortic regurgitation (back flow), or if the valve is narrowed by stenosis .

3. Ball valve - Wikipedia

   en.wikipedia.org/wiki/Ball_valve

   A trunnion ball valve has additional mechanical anchoring of the ball at the top and the bottom, suitable for larger and higher pressure valves (generally above 3.9 in (10 cm) and 580 psi (40 bar)). A floating ball valve is one where the ball is not held in place by a trunnion.

4. Aortic stenosis - Wikipedia

   en.wikipedia.org/wiki/Aortic_stenosis

   Frequency. 2% of people over 65 (developed world) [ 1] Aortic stenosis ( AS or AoS) is the narrowing of the exit of the left ventricle of the heart (where the aorta begins), such that problems result. [ 1] It may occur at the aortic valve as well as above and below this level. [ 1] It typically gets worse over time. [ 1]

5. Ford Boss engine - Wikipedia

   en.wikipedia.org/wiki/Ford_Boss_engine

   In particular, the 6.2 L features a two-valve per cylinder SOHC valve train with roller-rocker shafts, hemispherical heads, and two spark plugs per cylinder, as well as dual-equal variable cam timing. Notably, it uses a much wider 4.53 in (115.1 mm) bore spacing (compared to the Modular's 3.937 in (100.0 mm)), allowing for the use of larger ...

6. Aortic valve - Wikipedia

   en.wikipedia.org/wiki/Aortic_valve

   Aortic valve. The aortic valve is a valve in the heart of humans and most other animals, located between the left ventricle and the aorta. It is one of the four valves of the heart and one of the two semilunar valves, the other being the pulmonary valve. The aortic valve normally has three cusps or leaflets, although in 1–2% of the population ...

7. Straight-six engine - Wikipedia

   en.wikipedia.org/wiki/Straight-six_engine

   Straight-six engines are typically produced in displacements ranging from 2 to 4 L (122 to 244 cu in), [4]: p209 however engines ranging in size from the 0.7 L (43 cu in) Benelli 750 Sei motorcycle engine [5] to the 6.7 L (409 cu in) Cummins B Series engine pickup truck engine have also been produced. [6]