For use with limited-slip differentials to promote proper clutch engagement. Helps minimize chatter and minimize noise.
FORD MOTORCRAFT ADDITIVE FRICTION MODIFIER FOR LIMITED SLIP DIFFERENTIALS
Motorcraft XL3 Friction Modifier Additive Limited Slip Differential Ford 2 Pack
OEM Motorcraft XL3 Friction Modifier Additive Limited Slip Differential Ford 2 P
1 Gear/Differential Additive Friction Modifier OEM FORD/Motorcraft Limited Slip