New old stock part.  Listing is for a single part.  If more than one is pictured it is just to show difference in packaging or condition.  See photos for detail and condition.

Description: Armature
Critical Notes: DE Diameter at Splines OD
OEM(s): Ford, Mitsubishi
Voltage: 12
Condition: New
Quality: Standard
Rotation: CW
Body OD: 2.362in / 60mm
CE OD: 0.472in / 12mm
DE OD: 0.642in / 16.3mm
Length: 6.969in / 177mm
CE to Bearing/Bushing Stop: 0.354in / 9mm
DE to Bearing/Bushing Stop: 1.276in / 32.4mm
Number of Comm Bars: 23
Lam Stack Thickness: 2.346in / 59.6mm
Number of Splines: 9
Splines Type: Straight
Application: Mitsubishi Gear Reduction Starters on Ford 6.9 & 7.3L Diesel Applications

Substitutes:
J&N 300-48000

References:
J&N 300-48000, 300-48000R
Arrowhead SMT3000
Ford E5PZ11005A, SME469
Mitsubishi M106X29271, M106X29272