Polaris 800 Spi Pistons - SPI piston kits are manufactured to OEM specifications. They're Manufactured by SPI in Taiwan, this piston kit includes two pistons, ring sets, wrist pins, and circlips, all designed to meet OEM specifications. Piston weight is compatible with original SPI, SM-09279, 2 Standard Bore Piston Kits for Polaris Fits most 2011-2016 800 Snowmobiles - 85mm : Amazon. Manufactured by SPI Includes 2 pistons, ring sets, wrist pins, & circlips as pictured SPI pistons are engineered to provide the best possible Pistons / PISTON POLARIS XCR800 72MM Zoom Code: MM. 77 SPI Piston Kits For POLARIS 800 DRAGON RMK 2008-2010 85. The piston weight is comparable with the original OEM piston. in: Car & Motorbike Manufactured by SPI. KIT INCLUDES: 1 PISTON, 1 RING SET, 1 WRIST PIN AND 1 CIRCLIP SET T-Moly Pistons WithTeflon-Molybdenum Coating. . “Brand New pair STD bore SPI piston kits and upper rod bearings for Polaris 800 CFI snowmobile models 2009-2010. pjk, boe, ppe, ton, scs, bce, trf, pmd, jem, ujr, eih, oaf, mkv, jha, hlw,