Manufactured by SPI Includes 3 pistons, ring sets, wrist pins, circlips as pictured SPI pistons are engineered to provide the best possible path for combustion chamber heat transfer to the cylinder walls All SPI pistons, rings, pins, circlips are manufactured to OEM specifications All individual components are interchangeable with original parts Piston weight is compatible with original piston T-Moly series with Teflon-Molybdenum coating T-Moly series pistons reduce friction, resist seizure, improve durability Made in Taiwan Pistons are for standard bore size 70.50mm Fits 1997 Yamaha Mountain Max 700 MM700 1998 Yamaha Mountain Max 700 MM700P 1999 Yamaha Mountain Max 700 MM700P 2000 Yamaha Mountain Max 700 MM700 2001 Yamaha Mountain Max 700 MM700 2002 Yamaha Mountain Max 700 MM700 2003 Yamaha Mountain Max 700 MM700