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Hey Phil; All I can say is be prepared to spend some big $$$ because those parts are not cheap. Go ahead and get the NAA piston with the o-ring and leather back up washer for better holding. The lift cylinder will run you about $109. Then there's the pump. Yes, it may look fine, but you won't know if it's really worn without putting a micrometer or at least some dial calipers on it. You need to measure the ID of the holes in the valve chambers and compare that to the OD of the pistons themselves. If the tractor has been sitting that long, i would dismantle the pump anyway to clean it out. If there is more than 0.004-6" difference between the measurements of a piston and it's corresponding valve chamber hole, both should probably be replaced which runs you $385!! Since there are no rings, seals or anything else, the pistons rely on a very very close tolerance fit into the valve chambers. When that clearance gets too big, you get a lot of leakage and it won't lift loads anymore. There is a cheaper kit that gives you new pistons but not the valve chambers for about $275 i think. But you never know, you might get lucky and have everything work out without having to rebuild anything. Good luck. Jeb
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