Exhaust Valve Guides for Evolution, Twin Cam & Evo Sportster with 5/16" Valves
Kibblewhite Valve Guides from Goodson provide superior airflow. Guide profiles are designed to have as little effect on the air stream as possible while maintaining critical cross sectional thickness in high temperature areas.
All valve guides are designed for tight tolerances. High concentricity tolerances are held to ensure the best possible geometry between the seat and guide is maintained when the guides are replaced.
Manganese Bronze Guides. Easily reamed, these guides can be delicately finished with high quality flex-hones. Now, with any battery operated or electric drill you can ream and hone manganese bronze valve guides.
Use with 71045 Viton Valve Seals
Not sure which you need, view or download the chart from the Goodson catalog.
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|20-20870M||.5625" OD | .3096" ID | 2.100" OAL | Replaces HVG-5700||$9.05|
|20-20871M||.5635" | .3096" ID | 2.100" OAL | Replaces HVG-5701||$9.05|
|20-20872M||.5645" | .3096" ID | 2.100" OAL | Replaces HVG-5702||$9.05|
|20-20879M||.5725" | .3096" ID | 2.100" OAL||$9.05|