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4020 Rocker Arms

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Brian

02-16-2003 08:41:33




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Can anyone tell me what the ratio is on a 4020 rocker arm? I've heard that pullers use these on 88 Olivers and are still able to use the stock rocker shaft. Thanks for the help.




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mike

02-17-2003 00:37:15




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 Re: 4020 Rocker Arms in reply to Brian, 02-16-2003 08:41:33  
I can't tell you the ratio of the rockers ,but I can tell you that they made at least two different styles of rocker arms the newer being quite a bit better built, cast iron ,the old ones looked like two pieces put together. If you go to JD dealer they should be able to get the blueprints for the rocker arms, I got them for 55series Deere arms not to long ago.



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