Kibblewhite Precision 20-2133M Manganese Bronze Exhaust Valve Guide (+.003)

Demon’s Part # 99442344 Mfg. Part # 20-2133M

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Kibblewhite Precision Manganese Bronze Exhaust Valve Guide (+.003)

Precision-machined guides. Manganese bronze guide material is softer than nickel aluminum bronze valve guides. Excellent heat conductivity which promotes long valve life. Material hardness helps support valve guide longevity. Guides can be easily reamed with a battery-operated or electric drill and finished with a high-quality ball hone. Eliminates the need for expensive honing equipment that would be required for nickel bronze valve guides. Machined to accept OEM and aftermarket seals. Great choice for the home builder. Made in the USA Outside Dia. : (G): 0.5650in. / +0.003in. A: 0.650in. B: 0.700in. C: 1.150in. D: 1.450in. E: 0 .615in. F: 0.3098in. Note: Special shouldered guide, accepts 0.600in. valve lift. 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.