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Ironhead Sportster Motorcycle Talk (1957-1985) For all those that wanna talk about Ironhead Sportster Motorcycles

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Old 21st January 2022
nakina's Avatar
nakina nakina is offline
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Default Sifton A cam lift specs

Hey guys,

I see the old Sifton A cams pop up once in a while, but they aren't in the Sifton catalogue that we have on the site here. Does anybody know the lift numbers for these? The opening/closing events are stamped on the cams, so they are no mystery.

0.436"? Maybe stock lift exhaust?

Thanks for any info.
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Old 21st January 2022
needspeed needspeed is offline
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Default

Check the specs on this page. Looks like .440 lift for both int and exh.

http://xlforum.net/forums/showthread...022912&page=26
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  #3  
Old 21st January 2022
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nakina nakina is offline
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Thanks for that! I knew it was here somewhere. And I even responded to that thread...
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