Genuine Mopar 04318060AD Limited Slip Additive Friction Modifier – 4 oz

Dana Spicer Additive Friction Modifier Trac Lok Posi Limited Slip - 43161

Yukon Friction Modifier - Posi Additive - Limited-Slip Clutch LSD - Rearend

Friction Modifier Positraction Additive for Limited Slip Differentials | Ebay

LUBEGARD Limited Slip POSI TRAC REAR END ADDITIVE 42851 FRICTION MODIFIER FORDGM

43161 Dana Spicer Limited Slip Friction Modifier for Posi 4oz Bottle

ACDelco; Posi Differential Fluid Additive - Friction Modifier

Ford Motorcraft OEM XL3 Friction Modifier Additive Limited Slip Differentials