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Valve spring retainer
Genuine OEM Part - Manufacturer #692194
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Valve-intake
Genuine OEM Part - Manufacturer #590393
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Breather assembly
Genuine OEM Part - Manufacturer #590395
Ring Set, 450-550 Series, 3, 3.75, 4 & 5 HP Horizontal/Vertical, Models 90000, 10A900, 130000
Genuine OEM Part - Manufacturer #298982
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Ring set
Genuine OEM Part - Manufacturer #298984
Governor gear rack
Genuine OEM Part - Manufacturer #691900
Engine sump case, PTO side
Genuine OEM Part - Manufacturer #493279
Valve-exhaust
Genuine OEM Part - Manufacturer #590394
Cylinder head kit with new gasket and spark plug. New cylinder does not come threaded. Will need self tapping screws to thread.
Genuine OEM Part - Manufacturer #594989
Connecting Rod, 3.5 & 4 HP Max Series, 3.5-6 HP Quantum (12 CID), Prior to 97011300 Date Code, Vertical
Genuine OEM Part - Manufacturer #490566
Ring Set, 450-475 Series, 3.5 & 3.75 HP Horizontal, L-Head and 450-550 Series, 3.5 & 3.75 HP Vertical, L-Head
Genuine OEM Part - Manufacturer #498680
Piston pin-standard
Genuine OEM Part - Manufacturer #499423
Ring Set, (standard) 6.0 HP Vertical, Intek OHV
Genuine OEM Part - Manufacturer #499425
Ring set, standard
Genuine OEM Part - Manufacturer #499631
Valve Tappet. The tappet rides on the camshaft lobes and activates the push rods and valves.
Genuine OEM Part - Manufacturer #690977