All of our new parts are aftermarket replacements. Compatible with Minneapolis Moline Tractor(s) G1350, G1355. Compatible with Minneapolis Moline Engine(s) 585 (diesel). Compatible with Oliver Tractor(s) 2155, 2270, 2655. Compatible with White Tractor(s) 2-150. Top Groove Style: Barrel Face Chrome. 2nd Groove Style: Torsional. 3rd Groove Style: Torsional. 4th Groove Style: Chrome Rail / Oil Ring Spacer. All States Ag Parts Item No.