You can use '87 and later 944S (DOHC-16 valve) axles too. The 944S, and S2 had alloy control arms, and these axles, and the turbo's axles changed to a coarser spline pattern.
They're 33 splines, and 21.5" long.
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Yetibone
'71 1302S 1.8
'73 1303S 2.3
'83 928S 4.7
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