New Old Stock Engine Rebore Kit for Ford 800 Series, 900 Series, 4000 Tractors, RKA-1157-40 Case IH Rockshaft part number

Case IH Rockshaft part number 514958R91

and International Harvester Tractors listed below:

3158002R91

Replaces Case IH Carb

New Old Stock Engine Rebore Kit for Ford 800 Series, 900 Series, 4000 Tractors, RKA-1157-40 Case IH Rockshaft part numberNew Old Stock Engine Rebore Kit for Ford 800, 801, 811, 820, 821, 840, 841, 850, 851, 860, 861, 871, 881, 900, 901, 940, 941, 950, 951, 960, 961, 971, 981, 4031, 4110, 4120, 4121, 4131, and 4140 Tractors. Will also fit Ford 4000 Tractors with 4 cylinder engines. Will ONLY fit tractors with 172 cubic inch Gas Engines. This is a rebore kit for 0. 040" thousandths overbored engine. Standard bore is 3. 9" inch bore. The (2) compression rings are 3 32"