Desperately need parking brake spreading / strut rod info

I have a 67 Dart with an 8.25 rear end out of what I presume is a an early 70's B body. It looks like there haven't been any modifications to the axle that I know of (like narrowing, etc.). It has 10" drums with 2.5 inch brakes (the main reason I think it's out of a B body). When I took the drums off to replace parking brake cables I found out that I'm missing the spreader / strut bar that works the parking brake. I have the lever the cable attaches to, but not the bar that goes between the shoes with the spring on it. Can anyone tell me where I can find one or post a picture of one off of this type of axle please? I'm pretty much to the point of making one myself, but I would really appreciate knowing the dimensions so that I'm not too far off so the brakes don't drag or fail to engage. I've been looking for several days now but it seems like no one knows what I'm talking about when I ask around at part stores...