TRX450R TRX 450R 450ER 100mm 100 mil +4 CP Big Bore Piston & Gaskets Top End Kit 3PTENS-SLVR and Hotrods stroker crank

and Hotrods stroker crank

JE 88mm 11:1 426cc Big Bore Piston Kit & Cometic Top End Gasket Set

or misuse we will replace it free of charge

Complete top end compatible with all Yamaha Rhino and Grizzly 660 models and years

Replace that cheesy stock plastic impeller with this billet aluminum version

TRX450R TRX 450R 450ER 100mm 100 mil +4 CP Big Bore Piston & Gaskets Top End Kit 3PTENS-SLVR and Hotrods stroker crank100mm CP Piston Kit & Cometic Top End Gasket Set Honda TRX450R or TRX450ER Years 2006 2007 2008 2009 2010 2011 2012 2013 2014 Features: 13: 1 compression The piston includes rings, pins, and circlips Fits all 100mm cylinders Includes Cometic top end gasket kit Kibblewhite Red Viton Valve Stem Seals (4) Forged from 6061T aluminum X forging is the strongest available Fits all 06+ models and years Works with pump or race gas