7812" ID x 3

triple lip seals

3-3/16 inch Standard Bore

12" Maximum Shaft Fillet Radius

Tru-Power Basic In-Frame Engine Overhaul Kit - Flat Top Pistons for Farmall & International A, B, C, Super A 602-968 7812" ID x 3Tru Power Engine Kit. 4 Cylinder Gas, 113 CID, 3 inch Standard Bore, 3 1 8 inch Overbore Supplied. Flat Head Standard Compression Piston, Cylinder Sleeve 3 5 16 inch O. D. at Seal, 4 25 32 inch Valve Length. Basic Engine Kit. Contains sleeves & sleeve seals, pistons & rings, pins & retainers, pin bushings, complete gasket set, crankshaft seals. For A Series, B Series, BN Series, Super A Series, Super AV Series, C Series.