Kibblewhite Precision 20-30HS Exhaust Valve Guide (+.025)

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 outstanding heat conductivity. Guides sold each Quantity: Pkg. of 1. Material: C630 Bronze. Type: Exhaust. Outside Dia. : (G): 0.5900in. / +0.025in. A: 0.450in. B: 0.540in. C: 0.810in. D: 1.340in. E: 0.745in. F: 0.3745in.