Piston Ring Set 4Cyl 4" Bore Fits Allis Chalmers D17 WC WD WD45 170 175 Tractors Case you may have to expand

you may have to expand the muffler inlet

5/8"" - 18 UF thread with 1/2"" NPT pipe bushing

Fits: A20792

7/8"" threaded ends

(Super W4 All to early 1953)

Piston Ring Set 4Cyl 4" Bore Fits Allis Chalmers D17 WC WD WD45 170 175 Tractors Case you may have to expandQuality Aftermarket Piston Ring Set Fits Allis Chalmers D17, WC, WD, WD45, 170, 175 gas LP Tractors Specifications 4"" bore (3) 0. 093"" compression rings (1) 0. 250"" oil ring Measure old rings before purchasing. Do not order by tractor model only. Due to the many different piston manufacturers, there can be as many as 8 different ring sets available for one particular engine. To ensure you order the correct rings, we will need the following