The strongest clutch-type differential available.
The thick, webbed flange on the reinforced case reduces ring gear deflection, prolonging ring and pinion life.
Spider gears forged from H-11 aircraft steel bar stock- 50% stronger than Chevrolet ''service package'' gears.
Twenty-two friction discs (stock units have only 18 discs) improve bias ratio (torque split) by over 100%; heavy shock loads are more evenly distributed to the side gears for greater durability.
Uses 4.10 through 6.14 ratios (4-series).
Stock-type axles retained with original ''C'' clips.
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