CP Carrillo 06-15 Honda TRX450R 13:1 100mm +4mm Big Bore 486cc Piston Kit Sportsman 500 Upgrade your Yamaha YZ250F or

Upgrade your Yamaha YZ250F or WR250F with the ultimate in valve performance and durability

2003–2005 YZ450F engines

smoother mid-range pull

ProX Piston Kit Yamaha YZ450F '14-17/WR450F '16-18 12

Hot Rods or Wiseco crankshaft assembly with connecting rods installed

CP Carrillo 06-15 Honda TRX450R 13:1 100mm +4mm Big Bore 486cc Piston Kit Sportsman 500 Upgrade your Yamaha YZ250F orCarrillo 06 15 Honda TRX450R 13: 1 100mm +4mm Big Bore 486cc Piston Kit 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 Forged from 6061T aluminum X forging is the strongest available Fits all 06+ models and years Works with pump or race gas CP Carrillo Features: 1. Lightweight design: CP Carrillo pistons are designed to be