K&s Technologies Seal - 16-2053 For Honda CR250R / CRF450R / CRF450X / CRF250X 1997-2017 | Triumph Thunderbird 2009-2016 | Kawasaki KX 250 2006-2012 Brand_Namz The 14 mm size is

The 14 mm size is good for most spark plugs

Product Name Guard Color/Finish Chrome Material Steel Mounting Position Front Diameter 1-1/2" Riding Style Street Type Engine Units Each

Replacement rubber and chrome hardware upgrade available separately

baffles feature HP-Plus® design

00-19 Type Motorcycle Material Rubber

K&s Technologies Seal - 16-2053 For Honda CR250R / CRF450R / CRF450X / CRF250X 1997-2017 | Triumph Thunderbird 2009-2016 | Kawasaki KX 250 2006-2012 Brand_Namz The 14 mm size isFeatures K&S Dust Seals Specs Riding Style Street Type Dust Outside Diameter 58. 00 mm Product Name Seal Riding Style Off Road Thickness 10. 00 mm Units Pair Inside Diameter 49. 00 mm Thickness 0. 39" 1997 2007 Honda CR250R 2000 2007 Suzuki DR Z 400E 2000 2007 Suzuki DR Z 400S 2001 2008 Suzuki RM 125 2002 2008 Honda CRF450R 2002 2017 Honda CRF450X 2004 2009,2012 2013,2015 2017 Honda CRF250X 2004 2008 Suzuki RM 250 2005 2012 Suzuki RM Z 450 2006 2012