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2. Advance Auto Parts - Wikipedia

   en.wikipedia.org/wiki/Advance_Auto_Parts

   From 2009 to 2013, Advance Auto Parts was a title sponsor of Monster Jam and sponsored a truck on the circuit called the Advance Auto Parts Grinder. In 2023, Advance Auto Parts took over as the official sponsor of the checkered flag in IndyCar. [36] Advance Auto Parts has served as a sponsor in NASCAR, where it is the official auto parts ...

3. Valve stem - Wikipedia

   en.wikipedia.org/wiki/Valve_stem

   Replacing a valve stem. A valve stem is a self-contained valve that opens to admit gas to a chamber (such as air to inflate a tire), [1] and is then automatically closed and kept sealed by the pressure in the chamber, or a spring, [2] [3] or both, to prevent the gas from escaping.

4. Rocker arm - Wikipedia

   en.wikipedia.org/wiki/Rocker_arm

   However, these generally have the roller at the point where the cam lobe contacts the rocker, rather than where the rocker contacts the valve stem. Some OHC engines employ short rocker arms, also known as finger followers, [2] in which the cam lobe pushes downward on the back of the rocker arm to open the valve. In such a configuration one end ...

5. Variator (variable valve timing) - Wikipedia

   en.wikipedia.org/wiki/Variator_(variable_valve...

   There are many systems for VVT, which involve changing either the relative timing, duration or opening of the engine's inlet and exhaust valves. One of the first practical VVT systems used a variator to change the phase [note 1] of the camshaft and valves. This simple system cannot change the duration of the valve opening, or their lift.

6. Dunlop valve - Wikipedia

   en.wikipedia.org/wiki/Dunlop_valve

   The Dunlop valve, (also called a Woods valve, an English valve or a Blitz valve [1]) is a type of pneumatic valve stem in use—mostly on inner tubes of bicycles—in many countries, including Japan, [2] Korea, India, Pakistan, Sri Lanka, most European countries, and a number of developing countries.

7. Variable valve timing - Wikipedia

   en.wikipedia.org/wiki/Variable_valve_timing

   Late intake valve closing (LIVC) The first variation of continuous variable valve timing involves holding the intake valve open slightly longer than a traditional engine. This results in the piston actually pushing air out of the cylinder and back into the intake manifold during the compression stroke.