175KQ100-X Diff Case Kit | Dana Spicer | N400 - N190 | Slow Ratios 6.50-7.83 | NOS BOX120 390DU103 | Dana Spicer S400

390DU103 | Dana Spicer S400 Differential Flange Half | Casting 390DU102 – New Genuine (NOS)

Designed for heavy-duty operation

EBAY LINK 205012166106

Verify bearing and axle compatibility before installation

(2) A-Gears – 86784 / 086784

175KQ100-X Diff Case Kit | Dana Spicer | N400 - N190 | Slow Ratios 6.50-7.83 | NOS BOX120 390DU103 | Dana Spicer S400175KQ100 X Dana Spicer N400 N190 Differential Case Kit Rare Slow Ratio NOS 175KQ100 X is a rare genuine Dana Spicer differential case kit (slow high numerical ratio 6. 507. 83). This New Old Stock (NOS) kit includes the main structural components of the differential. It does NOT include the internal nest gears, spider, pinions, or thrust washers (those are sold separately). Call 419 522 3320 for pricing and availability. Kit Contents Ring Gear Carrier