4 Cylinder Piston Ring Set for Allis Chalmers & Massey Harris
- 4" bore,
- (3) 0.125" compression rings,
- (1) 0.250" oil ring.
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Allis Chalmers - Fits: D17, WC, WD, WD45, WF, 170, 175 (Gas or LP w/ 4" bore, (3) 0.125" compression rings, (1) 0.187" oil ring.) (Gas Models)
Massey Harris - Fits: GP 4WD (w/ Hercules OOC Engine w/ 4" bore, (3) 0.125" compression rings, (1) 0.187" oil ring)
- 4" bore,
- 0.125" compression rings,
- 0.187" oil ring.
NOTE: Do not order by tractor model only. Due to the many different piston manufacturers, there can be as many as 8 different ring set available for one particular engine. To ensure you order the correct rings, we will need the following information: 1.) bore size, 2.) thickness of each ring, 3.) how many of eachring thickness per piston. Rings cannot be returned if opened. Call or email for price and availability of other sizes.