SPI Full Gasket Sets feature Complete Engine Gasket Set Manufactured by SPI Contains all gaskets pictured to rebuild an engine, including oil seals with stainless steel springs for maximum performance and corrosion resistance. Made in Taiwan SPI T-Moly series pistons feature Manufactured by SPI Pistons are for standard bore size 90.30mm 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 Made in Taiwan T-Moly series pistons additional benefits Machined smooth heads MOS2 Teflon-molybdenum coating Hard anodized crowns Hypereutectic cast Fits the following models 2007 Arctic Cat Crossfire 1000 EFI2007 Arctic Cat Crossfire 1000 EFI Sno Pro2007 Arctic Cat F1000 EFI2007 Arctic Cat F1000 EFI LXR2007 Arctic Cat F1000 EFI Sno Pro2007 Arctic Cat M1000 EFI2007 Arctic Cat M1000 EFI Sno Pro 2008 Arctic Cat Crossfire 1000 EFI 2008 Arctic Cat Crossfire 1000 EFI Sno Pro 2008 Arctic Cat F1000 EFI 2008 Arctic Cat F1000 EFI LXR 2008 Arctic Cat F1000 EFI Sno Pro 2008 Arctic Cat M1000 EFI 2008 Arctic Cat M1000 EFI Sno Pro 2009 Arctic Cat CF1000 2009 Arctic Cat CF1000 Sno Pro 2009 Arctic Cat CF1000 Sno Pro LE 2009 Arctic Cat CFR1000 2009 Arctic Cat CFR1000 LE 2009 Arctic Cat F1000 EFI Sno Pro 2009 Arctic Cat M1000 2009 Arctic Cat M1000 Sno Pro 2009 Arctic Cat M1000 Sno Pro LE 2010 Arctic Cat CFR1000 2010 Arctic Cat M1000 Sno Pro 2011 Arctic Cat CFR1000 2011 Arctic Cat M1000 Sno Pro