Cover Gaskets , YCGGM8.5OLDS-12 , ,&,10 BOLT R/G,12 BOLT COVER,442,8.5,CUTLAS,GASKET,OLDS,YCG,, 8.5" Oldsmobile 442 & Cutlass 10 bolt ring gear & 12 bolt cover. , 8.5" OLDS 442 & CUTLAS 10 BOLT R/G & 12 BOLT COVER , 8.5" Oldsmobile 442 & Cutlass 10 bolt ring gear & 12 bolt cover. , Yukon Gear & Axle manufactures a full line of top-quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers, and other general maintenance items. You can count on Yukon to fulfill all your differential small parts needs. , Cover gasket, Fits 8.5" Oldsmobile, 8.5" Oldsmobile 442 & Cutlas 10 bolt ring gear & 12 bolt cover. , Differential Gasket