Kibblewhite Precision 20-4329C Cast Iron Intake/Exhaust Valve Guide (+.010in.)

KPMI R&D has produced a proprietary cast iron blend that thrives in the tough operating conditions of todays engines. KMPIs certified cast iron provides excellent wear resistance and a superior guide bore finish that is easy on valve stems. KPMI R&D has produced a proprietary cast iron blend that thrives in the tough operating conditions of todays engines. KMPIs certified cast iron provides excellent wear resistance and a superior guide bore finish that is easy on valve stems. Outside Dia. : (G): 0.5720in. / +0.010in. A: 0.375in. B: 0.375in. C: 1.700in. D: 2.025in. F: 0.3090in. Note: 0.420in. guide top accepts KPMI OEM style seal 20-20620, Steel Clad Viton seal 20-2015, and Solid White PC Style Seal 20-2009.