Pro-X 01.1338.A Piston Kit (A) - Standard Bore 77.97mm, 12.9:1 Compression electrical-electrical-components-rectifiers-regulators Its pounds lighter than stock

Its pounds lighter than stock and you will swear the motor has been bored and stroked with the first twist of the throttle

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Battery Model Number Reference: YT4L-BS

Pro-X 01.1338.A Piston Kit (A) - Standard Bore 77.97mm, 12.9:1 Compression electrical-electrical-components-rectifiers-regulators Its pounds lighter than stockBore: 77. 97mm Compression: 12. 9: 1 Compression Sizing: Standard Bore Excellent economic alternative when you are looking for an OEM quality replacement piston. Mainly manufactured in Japan by reputable Original Equipment Manufacturers to ProX exact specifications and high quality standards. Sleeved cylinder piston kits are available in standard size and a Wide range of oversizes. Plated cylinder piston kits come in standard size, as well as in A, B,