Ford 9'' Axle Street/Strip Forged 29'' 31-Spline BPC-4004-29
- 31-Spline
- 4340 Forged
- Street/Strip Axles
- 29'' Length
- Induction hardening outer shell leaving a 3/16'' soft core for torsion and flexing.
- 4'' of spline broach
- Splines are rolled not cut
- Ford 9'' Axle
- 5 x 4.5'' & 5 X 4.75'' Bolt patterns