The Pro-Lite series is Wiseco's staple forged 2-stroke piston, offering great value for reliable all-purpose riding. These pistons are designed for both track and trail, providing refreshed performance with every ride. Pro-Lite pistons feature optimized forging for strength and extra lightning operations for enhanced throttle response. This all-purpose piston is perfect for riders seeking a balance of performance and reliability.. Dedicated forging design for strength-to-weight optimization. Extra lightening operations for enhanced throttle response. Engineered, forged, and machined in the USA in Mentor, OH. High-quality ring(s), wrist pin(s), and circlips included. Wiseco Yamaha YZ80 93-00 ProLite 1909CS Piston Kit. Refreshed performance from the track to the trail. Designed for all-purpose 2-stroke riding. Great value for reliable fun factor. 48.50 mm Bore

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