Top End

Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side modelsCylinder Head Service Kits include the below components:Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive or...

All pistons are heat treated with a T-5 hardening and tempering cycleAll piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston lifeCast piston kits are gravity cast aluminum alloy (not...

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...

Top End Piston Kit - 87.96 Mm - Husqvarna | Ktm Vtktc23641A KTM -- 350 SX-F -- (2012, 2011); KTM -- 350 XC-F -- (2012, 2011); KTM -- 350 EXC-F -- (2013, 2015, 2014, 2012, 2016); KTM -- 350 XCF-W -- (2013, 2015, 2014, 2012, 2016); Husqvarna -- FE 350 --...

Top End Piston Kit - 75.97 Mm - Ktm Vtktc23236B KTM -- 250 XC-F -- (2012, 2009, 2010, 2011); KTM -- 250 SX-F -- (2011, 2010, 2012, 2009); KTM -- 250 XCF-W -- (2012, 2013, 2009, 2010, 2011)

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 -- TRX450ER -- (2009, 2007, 2006, 2008, 2012, 2014, 2013); Honda --...

Billet Head Breather Kit - Anodized Blue - M8 900-1186

Wossner Piston Kit - 74.71 Mm - Polaris 650 Patriot K7078Da-2 Polaris -- Indy 650 VR1 1.35" w/129" Track -- (2022, 2023); Polaris -- SwitchBack 650 Assault 1.35" w/146" Track -- (2021, 2022, 2023); Polaris -- SwitchBack 650 XC 1.35" w/146" Track --...

Wossner Piston Kit - 72.17 Mm - Ski Doo 600R E-Tec Engine Type K7075Da-2 Ski-Doo -- MX-Z 600 E-TEC -- (2018, 2019); Ski-Doo -- Renegade 600R X E-TEC w/137" Track -- (2021, 2020, 2019); Ski-Doo -- Summit 600R SP 3.0 E-TEC w/154" Track -- (2019, 2020,...

Wossner Piston Kit - 71.86 Mm - Ski Doo 600 K7072Da-2 Lynx -- Rave XT N-Duro 600 -- (2006, 2007); Lynx -- Xtrim 600 -- (2008); Lynx -- Xtrim Commander 600 -- (2011, 2010, 2009); Lynx -- Sport Touring 600 -- (2003, 2004, 2005); Lynx -- Adventure GT 600 --...

Wossner Piston Kit - 77.11 Mm - Polaris 600 Liberty Cfi K7074Da-2 Polaris -- IQ 600 H.O. CFI LX -- (2008, 2007); Polaris -- IQ 600 H.O. CFI Touring -- (2007, 2014, 2010, 2011, 2012, 2008, 2015, 2009, 2013); Polaris -- IQ 600 Shift w/121" Track -- (2011,...

Wossner Piston Kit - 81.84 Mm - Ski Doo K7068Da-2 Ski-Doo -- Summit 850 SP 2.5" E-TEC w/165" Track -- (2018, 2021, 2019, 2017, 2020); Ski-Doo -- Summit 850 SP E-TEC w/175" Track -- (2018, 2021, 2019, 2020); Ski-Doo -- Summit X 850 2.5" E-TEC w/165" Track...