Air valve stem spring used in 1 1/4″ Duplex Schebler carburetors. For use on carburetors that interchange with SX-432. Known to fit 1928 – 1930 Auburn, 1929 – 1930 Cord, 1930 Marmon, 1929 Pierce Arrow and 1927 – 1928 Stutz.
Schebler part number 48PP.
Material: Steel
OAL: 2.140
Number of coils: 7
Wire: .042
OD: 1.092
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