Classic All 'historic' bikes.

flathead fins

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Old Dec 23, 2007 | 07:04 PM
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stevodigitalfly's Avatar
stevodigitalfly
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Default flathead fins

hey all
I have a 47 flathead s# with a u but registration is a ul


the u is low compression and the ul med and the ulh high???

they say you can tell if its a u,ul, or ulh by size and # of fins does any one have photos so we can see the differences ?

[IMG]local://upfiles/45742/E99FB4EA81B54864A120F41093898B36.jpg[/IMG]

[IMG]local://upfiles/45742/34B52FE48B774496B2CD05D814B7D4AD.jpg[/IMG]
 
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