Top End

Ready-to-install, direct bolt-on cylinder requires no re-plating and looks virtually identical to the OEM cylindersNickel silicon carbide-plated for long lifeMade in the U.S.A. Yamaha -- YFZ 450 LE 4x2 -- (2004); Yamaha -- WR 450 F -- (2004, 2003, 2005,...

Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylindersNickel Silicon Carbide plated for long lifeBig bore cylinders do not require machine workMade in the U.S.A. Suzuki -- RM-Z 250 -- (2004,...

Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylindersNickel Silicon Carbide plated for long lifeBig bore cylinders do not require machine workMade in the U.S.A. Honda -- CRF250R -- (2016, 2012,...

• Cast aluminum construction • For V-Series Stock and Super Stock® crankcases with 0.250" offset cam chests - Harley-Davidson Electra Glide Standard FLHT (1985, 1998, 1997, 1984, 1986, 1987, 1996, 1995, 1999); Harley-Davidson Electra Glide Police FLHTP...

• Replacement piston kits for M-Spec big bore cylinder • 4-stroke pistons are made using a double-bridged forging design • Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine • Made in the USA -...

Ready-to-install, direct bolt-on cylinder requires no re-plating and looks virtually identical to the OEM cylindersNickel silicon carbide-plated for long lifeMade in the U.S.A. Honda -- CRF450R -- (2002, 2004, 2005, 2003, 2007, 2008, 2006)

Je Pistons Piston Kit 379450 Polaris -- RZR XP 900 EFI 4x4 -- (2011, 2012, 2013, 2014)

Je Pistons Piston Kit 379451 Polaris -- RZR XP 900 EFI 4x4 -- (2011, 2013, 2014, 2012)

Progressively wound springs using Kobe super-clean, chrome silicon-based wire that is heat treated and shot peenedTight-tolerance, FEA-designed hardened steel Posi-Loc? style upper retainers to ensure correct assembly height and resist keeper "pull...

Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylindersNickel Silicon Carbide plated for long lifeBig bore cylinders do not require machine workMade in the U.S.A. Yamaha -- YZ 250 F -- (2003,...

Maintain peak performanceCNC-machinedHard anodized finishMade in the U.S.A. Yamaha -- YZ 250 -- (2021, 2020, 2022, 2024, 2023, 1999, 2000, 2010, 2013, 2017, 2002, 2005, 2011, 2007, 2004, 2015, 2001, 2009, 2012, 2003, 2006, 2016, 2008, 2014, 2019, 2018)

Top End Piston Kit - 95.45 Mm - Suzuki Lt-R450 Vtktc23553A Suzuki -- LT-R 450 QuadRacer -- (2006, 2008, 2007, 2009)