IAG performance “ locker “ rear differential r180 r 180 “ spool “ drag racing Subaru STi

VERY RARE IAG R180 “ spool” 

STi 6 speed r 180 rear differential fitment

Up for grabs is a EXTREMELY rare iag r 180 “ spool “ for drag racing. You remove the center of your r180 diff and replace it with this “ locker “ . It requires you to install your ring gear onto this unit.