Manufactured by SPI SPI pistons are engineered to provide the best possible path for combustion chamber heat transfer to the cylinder walls All pistons, rings, pins and circlips are manufactured to OEM specifications All individual components are interchangeable with original parts Piston weight compatible with original piston Contains all gaskets pictured to rebuild top end oil seals not included Made in Taiwan T-Moly series pistons additional benefits Machined smooth heads MOS2 Teflon-molybdenum coating Hard anodized crowns Hypereutectic cast Pistons are for standard bore size 65.00mm Fits the following models 1999 Yamaha Venture 600 VT600 1999 Yamaha V-Max 600 Deluxe VX600ER 1999 Yamaha V-Max 600 SX VX600SXB 2000 Yamaha Mountain Max 600 MM600 2000 Yamaha SX600R SX600 2000 Yamaha Venture 600 VT600 2000 Yamaha V-Max 600 Deluxe VX600DX 2001 Yamaha Mountain Max 600 MM600 2001 Yamaha SX600R SX600 2001 Yamaha Venture 600 VT600 2001 Yamaha V-Max 600 Deluxe VX600DX 2002 Yamaha Mountain Max 600 MM600 2002 Yamaha SX600R SX600 2002 Yamaha Venture 600 VT600 2002 Yamaha V-Max 600 ER VX600ER 2003 Yamaha SX600R SX600 2003 Yamaha Venture 600 VT600 2003 Yamaha V-Max 600 ER VX600ER 2004 Yamaha SX Venom 600 SXV60 2004 Yamaha SX Venom 600 ER SXV60ER 2004 Yamaha Venture 600 VT60 2005 Yamaha SX Venom 600 SXV60 2005 Yamaha SX Venom 600 ER SXV60ER 2005 Yamaha Venture 600 VT60 2006 Yamaha SX Venom 600 SXV60 2006 Yamaha SX Venom 600 ER SXV60ER 2006 Yamaha Venture 600 VT600