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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
Fits all 1987–2006 models
Built for demanding dual sport and off-road applications
These valves and springs are NOT what you would need to use big cams that require heavy duty parts
New "rolled threads" machining process
ProX Piston Kit Yamaha YZ250 YZ 250 '99-22 + Suzuki RM250 '03-12 (66.35mm) Banshee Fits all 1987–2006 modelsProX Piston Kit Yamaha YZ250 YZ 250 '99 22 + Suzuki RM250 '03 12 (66. 35mm) Pro X Piston Key features 1. High quality materials: Pro X pistons are made from the finest materials, including forged aluminum, to deliver maximum strength and performance. 2. Precision engineering: Each Pro X piston is designed and manufactured with precision engineering to ensure accuracy and consistency. 3. Adjustable compression ratios: Pro X pistons are available in