SLEEVE 03-13 YZF250 80.00, PROX 15.2404 YAMAHA BORE 80/81

Advanced Sleeve was created with you, the professional engine builder, in mind. We at Advanced Sleeve have made a company foundation on your ideas and suggestions. Advanced Sleeve has spent countless hours talking with many of today’s and tomorrow’s leaders in the Motorsport industry to help produce one of the most technologically advanced sleeve products.