-The HCRRP181318 Piston Ring Set, .030" Oversize, 3-1/8, 1-1/4, 3.1875" Standard bore, 1 cylinder set fits equipment brands such as: Cockshutt, Massey Ferguson, Oliver
-The HCRRP181319 Piston Ring Set, .040" Oversize, 3-1/8, 1-1/4, 3.1875" Standard bore, 1 cylinder set fits equipment brands such as: Cockshutt, Massey Ferguson, Oliver
-The HCRRP181321 Piston Ring Set, .060", Oversize, 3-1/8, 1-1/4, 3.1875" Standard bore, 1 cylinder set fits equipment brands such as: Cockshutt, Massey Ferguson, Oliver