Kibblewhite Precision 40-41639 Exhaust Valve Guide - Oversize (+0.010in.) fuel-air-carburetors-accessories-intake-boots allowing the engine to pull

allowing the engine to pull through the rpm range quicker

2007-2009 Yamaha YZ450F

Impact resistant ABS or aluminum bezel protects and secures mirror glass and allows for easy glass replacement

Suzuki GSX1300R Hayabusa 1999-2007

5" mandrel bent tubing leading through a straight-through muffler and on to 4" black chrome finished tips in a dual split rear exit configuration

Kibblewhite Precision 40-41639 Exhaust Valve Guide - Oversize (+0.010in.) fuel-air-carburetors-accessories-intake-boots allowing the engine to pullWe choose to use C63000 nickel bronze as a material to make valve guides because of its ideal characteristics for the application. The 4 5 percent nickel content produces superior resistance to wear, and the approximately 80 percent copper content delivers outstanding heat conductivity. Guides sold each. Vehicle Fitment: 2020 2021 Kawasaki KX250