The seals are made of 2024T3 Alclad aluminum for lighter weight and superb strength. They're coated with a plastic anti-chaff strip where the seal comes into contact with the control surface to prevent any abrasion. Aircraft respond well to the gap seals as they create a pressure barrier between the high pressure air on the bottom of the wing and the low pressure air on the top of the wing.?ÿ Gap seals will add 2-3 mph?ÿ to the plane, as well as 100-150 ft/min increase in rate of climb.?ÿ stall speeds will decrease in the 1-3 mph range.?ÿ Handling is greatly improved, especially low speed handling and stability. ?ÿ Part Number: 34AIL ?ÿ?ÿ?ÿ Approval Basis: Supplemental Type Certificate No(s) SA729GL Replaces: n/a Aircraft Eligibility: Piper PA-34-200 Typical Lead Time: Stock Typical Installation Time: 14 hours Note: Installation times do not include painting Finish: Primed and ready for paint. ?ÿ