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I have a set of sb2.2 heads and the rocker arms are not stamped with the ratio. My question is there a way to measure them, need to order my camshaft. They do have 040198 and fr stamped in them. Any help would be appriecated
 

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Whos rockers are they? I would call whos ever they are and give them the number on them. Most SB2 rockers are in the 1.8 and 1.9 ratio, as you can tell by how close the pushrod cup is to the trunion. I would still call and give the number if you dont have any cam you can atleast use to measure the lift at the valve with these rockers. If you throw in any camshaft that you can borrow or anything, you will be able to measure lift at valve by knowing lobe lift of the cam..
 

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I would check the ratio with a cam in the engine rather than call the mfg. I say this because I have a name brand set of rockers stamped 1.7 and they are 1.8!
My engine builder discovered this during assembly so the cam had to be re-ground-ouch!
Carl
 
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