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GM 8 7/8" Ring Gear (Truck), 12 Bolt, Differential Cover Part Number 6058 (was Part Number 10277)

As-cast finish $200.00	Black powder coating $270.00	Polished finish $375.00
Volume: 1.0 qt. over stock Dimensions: Click here for dimensions. Depth inside is 4½ inches. This differential cover fits the GM 8 7/8" (8.875") ring gear 12 bolt differential. Typical applications include GMC and Chevy trucks and SUVs, ½ and ¾ ton, with 2 or 4 wheel drive, from 1963 to 1991. Some common applications for this rear end cover are: C10 & K10, 1967 to 1976 C20 & K20, 1973 to 1976 Chevrolet Blazer, 1969 to 1976 GMC Jimmy, 1969 to 1976 Suburban 10/1500, 1973 to 1981 Suburban 20/2500, 1973 to 1991 Check before ordering. These trucks and SUVs came with options for different differentials so please check before ordering. Verify that your vehicle has space for a larger aftermarket differential cover. Vehicles with coil suspension can have a track bar close to the stock differential cover. Vehicles with leaf suspension generally have plenty of space for a larger aftermarket part. Installations Read about an install of this cover on a 1972 Chevrolet C-10 in Classic Trucks magazine. 1972 C-10 Cheyenne Bruce installed this PML differential cover on his 1972 Chevy C-10 Cheyenne with a 350 ci engine and 700R4 transmission. Click on image to view larger. 1978 Chevy C10 Stephen installed this PML differential cover on his 1978 Chevy C10. Stephen said that changing out the stock cover for a PML heavy duty cover is " a good practical upgrade". Our thanks to him for choosing PML for his truck. Click on image to view larger in a separate window. For a larger picture, please click one of the above images. A separate window will open showing a bigger picture. (The larger pictures take a minute to display.) PML Differential Cover Features: Increased oil capacity for cooler temperatures Sand-cast aluminum with raised fins Thick wall construction to add strength to differential housing Thick gasket flange will not bend when bolts are tightened Machined gasket surface for a secure seal using RTV or factory reusable gasket Oil changes without removing the cover All hardware provided, including magnetic drain plug Learn more about finishes and construction of PML parts.