Part Number: D1516
 
Ford 9″ 31 Spline Steel Spool
For Strange Engineering 3.062 or 2.891″ 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
 
Weight:
9.30 lbs.