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2. Carquest - Wikipedia

   en.wikipedia.org/wiki/Carquest

   Carquest Corporation is an American automotive parts distribution network that was sold and currently owned and operated by Advance Auto Parts via independent retailers associated with the network as "Carquest Auto Parts". As of October 4, 2014 Advance operated 5,305 stores, 109 Worldpac branches.

3. NAPA Auto Parts - Wikipedia

   en.wikipedia.org/wiki/NAPA_Auto_Parts

   The National Automotive Parts Association (NAPA, also known as NAPA Auto Parts), is an American retailers' cooperative distributing automotive replacement parts, accessories, and service items throughout North America. Established in 1925, NAPA is a division of Atlanta-based Genuine Parts Company.

4. Schrader valve - Wikipedia

   en.wikipedia.org/wiki/Schrader_valve

   The original Schrader valve design was invented in 1891 and patented in the United States in 1893. [2] The Schrader valve consists of a valve stem into which a valve core is threaded. The valve core is a poppet valve assisted by a spring. A small rubber seal located on the core keeps the fluid from escaping through the threads.

5. Valve stem - Wikipedia

   en.wikipedia.org/wiki/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.

6. Advance Auto Parts - Wikipedia

   en.wikipedia.org/wiki/Advance_Auto_Parts

   In 2023, Advance Auto Parts took over as the official sponsor of the checkered flag in IndyCar. [38] Advance Auto Parts has served as a sponsor in NASCAR, where it is the official auto parts retailer of the sanctioning body. [39] The company sponsored the 2017 Advance Auto Parts Clash exhibition race at Daytona International Speedway. [40]

7. Valve guide - Wikipedia

   en.wikipedia.org/wiki/Valve_guide

   The upper part of the valve stem, within the rocker box, is lubricated by oil. If this oil travels unchecked along the valve stem, engine HC emissions will become excessive. To control this, an elastomeric seal is fitted over the top of the valve guide. These may wear or stiffen with age, so are usually replaced whenever valves are removed for ...