Yukon Gear YY GM40006690 Pinion Yoke Adapter Sleeve For Use w/GM 7.2 in./7.625 in./8.0 in. Triple Lip Pinion Seal Pinion Yoke Adapter Sleeve Yukon Gear & Axle YY GM40006690 Pinion Yoke Adapter Sleeve; For Use w/GM 7.2 in./7.625 in./8.0 in. Triple Lip Pinion Seal; Authorized Dealer - 100% Satisfaction Guaranteed Yukon Gear YY GM40006690 Warranty: Yes