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

FORE REFERENCE-

(3803890 - STD = CUMP378000 + CUMRS378000)

(3803891 +.010 = CUMP378010 + CUMRS378010)

(3803892 +.020 = CUMP378020 + CUMRS378020)

(3803893 +.030 = CUMP378030 + CUMRS378030)

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