The exterior is smooth and resists oil

Lexion 680B - Replaces OEM Number 71369761

1-1/8 inch-12 thread size

Tecumseh for International & Case IH

John Deere Tractor: 5076EN

Maxiforce Basic Engine Kit, Standard Pistons, .030" Main Bearings, .030" Rod Bearings, 1104D-44T/Ta 1.00MM / Journal OD 67.99MM Or 2.6768 In for Perkins TP-AT18702 The exterior is smooth andAftermarket Basic Engine Kit. Direct replacement for OEM BK514S 30 30. Please verify fitment against your equipment's serial and engine casting numbers before ordering. Cross references are provided as a guide; the customer is responsible for confirming compatibility.