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> .045" oversize piston ring kit fits john deere b, 50
.045" oversize piston ring kit fits john deere b, 50
.045" Oversize Piston Ring Set for 4-11/16" standard bore machined to .045" oversize. Four 3/16" thick compression rings and one 5/16" thick oil ring per cylinder. One set used in 190 CID 2 cylinder gas engine used in John Deere tractor model B (serial numbers 201000 and up), and all model 50 tractors.
