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O.S. Engines.50 SX-H Piston
This is the Piston for the O.S. and Helicopter Engines This Piston moves up and down within the cylinder to create compression. FEATURES Constructed of aluminum; Replaces worn or damaged pistons INCLUDES One Piston for the O.S. Max.50SX and the Helicopter Engines REQUIRES Removing Cylinder installing Piston Ring and using Piston Pin and Pin Retainer to attach to Con Dimensions 3.5 x 2.13 x 0.88 inches, Weight 0.02 Pounds, model number Manufacturer recommended age 15 years and up, Rank Toys & Games Hobby Remote & App Controlled Vehicle Parts 66118, Manufacturer Hobbico Inc, Available October 12, 2007, Brand OS

Price is $34.00
Price: $33.59