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The Yukon Ring-and-Pinion Gear Kit with installation hardware for Toyota 8.4/8" IFS differentials (without factory locker) supplies matched front and rear ring and pinion sets at a 4.30 ratio. Supplied as a package with installation kits and the small parts needed to re-gear, it fits 3.91-and-up front carrier cases and bundles components for complete front and rear re-gearing.
Yukon Ring & Pinion Gear Kit Front & Rear for Toyota 8.4/8IFS Diff (w/o Factory Locker) 4.30 Ratio
