CUMP378000 , PISTON, W/PIN, LOCKS 3 7/8" STD., SS338, QE338, HD850, ST773

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Current Stock:

CUMP378000,PISTON, W/PIN AND LOCKS 3-7/8 STD THRU +.040

3 X 2.00 MM COMPRESSION RING GROOVES

1 X 4.00 MM OIL CONTROL GROOVE

3803890 - STD = CUMP378000

3803891 - +.010 = CUMP378010

3803892 - +.020 = CUMP378020

3803893 - +.030 = CUMP378030

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