MACHINED FOR IRS - Strange Ford 8.8" Lightweight Spool

IRS SPECIFIC - Strange Pro Series Lightweight Steel Spool Fits Ford 8.8 with 31 Spline Axles We take a Strange Spool (only intended for use in solid axle applications) and machine two grooves into it for use on independent rear suspension applications. This is a modified spool, made specifically for IRS cars.  This is a Grannas Racing product, no one else does this. --- Part Number: D1558 Application – Ford 8.8 DescriptionPro Series SpoolFor 31 spline axlesFeatures• 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