It's a Detroit Locker limited slip diff. Rare as hens teeth! Tony Drews At 08:50 AM 7/22/2012, Dave1massey at cs.com wrote: >A fellow club member has this differential from a TR6 and was wondering if >it was a Quaife. I've never actually seen a Quaife so I can't help him. > >TIA > >Dave > >http://www.sltoa.org/members/houghtaling/images/Differential.jpg