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Ryan does the W-7 use a shorter length hold down
bar than a W-5... I have a set of TDs that have a
shorter bar and I dont recall what they go on
thanks

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I'm confused by the question, but if the stands are T&D they should be stamped on lower left corner as to what head they fit. W-5 W-7 W-8 W-9 or W-9RP Also W5 would obviously use (5) 3/8" holes equally spaced. Most W7's were Lazy W bolt pattern & used both 3/8 & 7/16 bolts in a zig zag pattern

Or are you talking about the rocker shafts?

W7/8/9 T&Ds are interchangeable shafts & rockers for most part. W5 off top of my head may use a slightly narrower shaft, but I'd have to doublecheck that @ shop.

The pivot length on the W5 rocker will be shorter than a W7/8/9 rocker. Although they make 2 different pivot lengths for W5 heads depending on valve length used.

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I didnt know they were stamped... I'll look tomorrow
but it has the lazy W bolt pattern but the main
bar(not the short shafts) is shorter but about 1"
EDIT
I see what you mean on the stamping on them... they
are W-8s