(ZK GM8.5) Master Overhaul Kit for GM 8.5" Differential

Yukon Friction Modifier Additive for Limited Slip/Posi - 4 Ounce Bottle

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Help keep positraction chatter down with friction modifier from Yukon Gear and Axle.

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Product Review

Help keep positraction chatter down with friction modifier from Yukon Gear and Axle.

Positraction additive
For use in any clutch-style limited slip
Compatible with most mineral and synthetic oils
Positraction Limited Slip Differential Additive

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