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Rough Country Jeep Wrangler NP 231 Slip Yoke Eliminator Kit

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  • Eliminates the need for a transfer case drop kit
  • Increases transfer case strength
  • Reduces output shaft length
  • Allows a CV drive shaft to be used
  • Helps eliminate drive shaft vibrations

The Jeep model NP231 transfer case which is equipped from the factory on most Jeep Wrangler models has one glaring weak point. The NP231 uses a slip yoke on the rear output shaft of the transfer case rather than having a fixed yoke on the output shaft and a drive shaft with slip splines. This design functions fine for street use with factory suspension geometry but when you lift your Jeep and install oversized wheel and tire combinations, the stress on the slip yoke and rear output shaft is to great and can sometimes result in the output shaft or slip yoke breaking. This complete kit includes everything needed to modify your transfer case, but requires an extended travel CV drive shaft.

Improve the strength and durability of your transfer case with this complete kit from Rough Country. Upgrading your Jeep Wrangler with a Slip Yoke Eliminator Kit and an extended CV driveshaft will prevent driveline vibrations without sacrificing ground clearance.

Note: A CV driveshaft is required for use with this kit.

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