Ford Friction Modifier for All Traction Lock Differentials

Ford Friction modifier for all Ford traction lock differentials used in Ford 8", 9", or 8.8" rear ends

This Friction modifier, also known as posi traction additive, is used with clutch disc type traction locks. 1 bottle of modifier is typically enough fluid for your Mustang's 3rd member. PLEASE NOTE: The only application for this fluid is in FORD rear ends - it is not to be used in any Dana or GM rear ends!

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