Kibblewhite Precision 20-2331 Bronze Exhaust Valve Guide (+.001in.) miscellaneous The sole is replaceable

The sole is replaceable

L x 2 13/16in

1985-1992 Polaris Trail

2001-2002 Yamaha WR250F

Kibblewhite Precision 20-2331 Bronze Exhaust Valve Guide (+.001in.) miscellaneous The sole is replaceableQuantity: Pkg. of 1. Material: C630 Bronze. Type: Exhaust. Outside Dia.: (G): 0. 5660in. +0. 001in. A: 0. 470in. B: 0. 545in. C: 0. 600in. D: 1. 225in. E: 0. 745in. F: 0. 3375in. Sea: Seal not required. However, KPM Exhaust Seal #20 20622 may be used if a seal is desired.. We choose to use C630 nickel bronze as a material to make valve guides because of its ideal characteristics for the application. The 4 5 percent nickel content provides superior