Replacement piston ring set designed for 4-cylinder Massey Harris models including the 20, Colt 21, and 81 tractors — compatible with 3-inch bore engines

Description

Quality Aftermarket Piston Ring Set
Fits Massey Harris MH: 20, Colt (21), 81 Some w/ F124 C. I Continental Engine; 101 Jr. & 102 Jr. Some Early w/ F124 C. I Continental Engine Tractors
Specifications 3″” bore
(3) 0.125″” 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 information:1.) Bore Size.2.) Thickness of each Ring.3.) How many of each Ring Thickness per Piston.

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