Strange Pro Series HD Lightweight Steel Spool Fits Ford 9″ with 40 Spline Axles Requires 3.812″ Bore Strange Case

Application – Ford 9″ Description HD Pro Series Spool For 40 spline axles Fits 3.812″ bore aftermarket case Features • Machined from 8620 forged steel • Lightened to reduce rotating weight • Bearing journal increased to 2.250″ for additional strength • Broached 40 spline with 45° pressure angle • 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 Weighs 8.25 lbs Lightweight Pro Series Steel Spools Carry A Limited Lifetime…