40 spline, 5" x 5 bolt circle, 7075 aluminum alloy with steel 4140 insert (ea)

40 spline, 5-1/2" x 5 bolt circle, 7075 aluminum alloy with steel 4140 insert (ea)

40 spline, 5-1/2" x 5 bolt circle (ea)

40 spline, 5" x 5 bolt circle, 4140 steel (ea)

For 40 spline drive plates, blue anodized aluminum