Fits 1937-41 Ford cars with stock or modified wishbone or Speedway 4-bar kits. These 4" dropped axles accept 1937-48 Ford spindles and have 2-1/4" axle bosses. I-beam axles feature a one-piece design cast from high-strength 65-45-12 annealed ductile iron. (Test extra)
Axles measure 47-3⁄4" between king pin centers and 38-1⁄2" between spring perch boss centers. Plain finish.