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Mallory 29371 Circuit Guard
Fits 9" Ford with 31 Spline Axles
Limited Slip Differential with Composite Clutches
Fits all Gear Ratios
4 Pinion Design
Fully rebuildable design and proudly assembled in the USA
Combines the protection of the 29351 active power filter from power spikes and surges and other electrical noise with the negative spike protection offered by the 611 power cell. This compact unit plugs right in and can even be mounted directly on most distributors. Great way of protecting all UniLite, MBI, and E-Spark modules.