Red line limited slip friction modifier is an additive which is used to fine tune the performance of clutch plate type or positraction limited slip differentials (LSD's). It can be added 1 oz at a time until chatter is eliminated.Limited slip friction modifier can also be used as a break in additive to reduce friction and heat in new gears. Temperatures can be reduced up to 10° C (50° F) when the additive is used.Used to fine tune LSD's to eliminate chatter while maintaining peak performanceCompatible with mineral and synthetic based gear oilsReduces oil temperatures during the break in period118ml (4oz) BottleTechnical Data Sheet