Top End

The foremost compatible top-end rebuild kit all in one boxFeature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque and more horsepower2-stroke kit comes complete with...

Black Diamond? valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce friction; White Diamond? valves feature one-piece construction and hard chrome stemsSpring sets contain...

Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valvesSpring kits come complete for one motorKeepers are not includedMade in the U.S.A. Yamaha --...

Top-quality piston kitIncludes pistons, rings, pins, clips, needle bearings, head and base gaskets and intake and exhaust gaskets and oil filter for 4-stroke models Polaris -- General XP 1000 Premium -- (2023); Polaris -- Ranger 1000 EPS 4x4 -- (2021,...

Made from premium stress-relieved conical ovate wireFeature extremely high-level of fatigue lifeUse a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motionDesigned to handle the demands of performance...

Top End Piston Kit - 95.96 Mm - Honda Trx450R/Er Vtktc23522B Honda -- TRX450ER -- (2009, 2013, 2012, 2006, 2008, 2007, 2014); Honda -- TRX450R -- (2009, 2006, 2008, 2007)

Top End Piston Kit - 95.95 Mm - Honda Trx450R/Er Vtktc23522A Honda -- TRX450R -- (2008, 2007, 2009, 2006); Honda -- TRX450ER -- (2008, 2012, 2013, 2009, 2007, 2014, 2006)

Top End Piston Kit - 96.94 Mm - Yamaha Yz450F Vtktc23562B Yamaha -- YZ 450 F -- (2010, 2011, 2013, 2012)

Top End Piston Kit - 94.96 Mm - Yamaha Vtktc22984B Yamaha -- YFZ 450 SE 4x2 -- (2007, 2008, 2006); Yamaha -- YFZ 450 LE 4x2 -- (2004); Yamaha -- YFZ 450 Bill Balance Edition 4x2 -- (2006, 2007); Yamaha -- YFZ 450 4x2 -- (2005, 2008, 2013, 2007, 2004,...

Kits include KPMI? or equivalent valve spring kit, a full set of Black Diamond?stainless steel standard size valves, H.T. Steel valve keepers and valve stem seals (where applicable) for engine applications listedAll valves are impregnated by a special...

Piston Kit - 99.95 Mm - Ktm 23417B KTM -- 505 XC-F -- (2009, 2008); KTM -- 505 SX-F -- (2007, 2008, 2009); KTM -- 505 ATV SX -- (2008, 2010, 2011, 2009, 2012)

Pistons forged from 4032 aluminum alloyOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly ringsPiston pin lock rings available separatelyReplacement rings are also available separately