Strange Spool #D1553

Strange Pro Series Lightweight Steel Spool
For Ford 9" with 31-Spline Axles
Fits 2.891" or 3.062" bore case

Features:
Machined from 8620 forged steel
Lightened to reduce rotating weight
Broached for 31-spline axles
Same spline locations as OEM differential
Critical dimensions left oversize prior to heat treatment
Heat treated for further gains in strength
Finish machining after heat treat to bring surfaces within specifications
Designed and machined by Strange Engineering
Forged in the USA