ASC653009

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Order 12 or more Pistons and Save 10% Only applies to pistons - you can mix part numbers - Discount is automatically applied at check out. ASC653009 Rev B Piston Rev B - Sept 2022 - New Improved Skirt Profile O-520 Continental Series Engines 9.0:1 Compression Ratio (11.4:1 for IO-550 Installations) 5.250 Bore Available in STD, P10 & P15 Bore Sizes Approx weight = 1220 grams This piston uses standard Continental Rings and Piston Pins The Oil Scraper Ring is not used on this piston - top 3 rings only! This Piston is not FAA-PMA approved and is for experimental or ground use only! Forged and Machined in the USA Show more