SNO-STUFF X-Calibar Carbide Runners are available in two high-quality styles. The X-Calibar II employs a 7/16" bar with 3-3/4" of 90 deg. carbide with a 1" tapered wearpad at each end PLUS: hardweld is added in back of the front pad and forward of the rear pad to increase wear resistance. The X-Calibar IV uses a 7/16" bar with TWO 3-3/4" 90 deg. carbides for a full 7-1/2" of control, as well as two hardweld wearpads. The X-Calibar IV's are recommended for high performance snowmobiles. Both bars feature extended studs to accommodate ski skins! (Sold in pairs)Additonal Fitment:2008-2009 YAMAHA FX NYTRO /MTX2006-2009 YAMAHA VK PRO2006-2006 YAMAHA ALL MODELS2005-2005 YAMAHA RS RAGE2006-2009 YAMAHA APEX MTN./MTX2005-2005 YAMAHA VK 540 III2007-2007 YAMAHA RS VENTURE GT2004-2005 YAMAHA RX WARRIOR2005-2007 YAMAHA RS VECTOR MTN./SE2003-2006 YAMAHA SX VIPER MTN.2003-2005 YAMAHA RX-1 MTN.2003-2004 YAMAHA RX-1/ER2007-2009 YAMAHA PHAZER MOUNTAIN LITE2005-2009 YAMAHA RS VENTURE2008-2009 YAMAHA RS VECTOR GT2006-2006 YAMAHA VENTURE 600
