Ford Top Loader 4 speed WIDE ratio input shaft
23 tooth with 1 1/8" clutch 26 splines (small block style)
CUT FROM SAE8620 forged steel and 1 1/8" 26 splines
this is the strongest input shaft on the market.
Eliminates twisting commonly found with the 10 spline shaft
Doesn't require a larger bearing retainer to work with like the 1 3/8" 10 spline shaft.