Re: 3.5" aluminum driveshaft 54" in length, who runs one?
Though it's not quite 54inches long (52) I've run a 3.5 inch Mark williams aluminum shaft since 08 6.20 gear 138 MPH 9900 RPM you can do that math, then look at their chart. I BELIEVE they leave alot of room for safety. Just my opinion.
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Joe Buchanan SS/BX 3117
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