Kibblewhite Precision 90-9020 Exhaust Valve Guide - Standard suspension Far exceeds DOT 4 and

Far exceeds DOT 4 and higher specifications

Provides lower seat height

1994-1995 Yamaha YFM350FW Big Bear 4x4

2005-2006 Arctic Cat 400 4x4

Stepped shoulder lugs for corner bite

Kibblewhite Precision 90-9020 Exhaust Valve Guide - Standard suspension Far exceeds DOT 4 andQuantity: Pkg. of 1. Material: C630 Bronze. Type: Exhaust. Outside Dia.: (G): 0. 5540in. Std. A: 0. 600in. B: 0. 650in. C: 0. 980in. D: 1. 300in. E: 0. 640in. F: 0. 3120in. Seal: Seal not required.. We 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