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- ASC9521FL Piston
- Parallel Valve Lycoming Series Engines
- 9.5:1 Compression Ratio
- 5.125 Bore
- Approx Weight = 1205 grams
- This piston uses standard Lycoming Rings and Piston Pins
- This Piston is not FAA-PMA Approved and is for experimental or ground use only
- Forged and Machined in the USA