foot GM 8.5" 28 Spline 12 Bolt Buick, Oldsmobile, Pontiac, Rear Nitro Master Install Kit

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GM 8.5" 12 Bolt BOP Nitro Master Install Kit, 28 Spline
GM 8.5" 28 Spline Nitro Master Install Kit

GM 8.5"
Nitro Master Install Kit-28
Price: $164.01

Product Code: MKGM8.5OLDS-28

Description Warranty Information

GM 8.5"
Buick Oldsmobile Pontiac
Nitro Rear Master Install Kit

1964-1972 Oldsmobile 442
1985-1981 Pontiac Catalina
1968-1972 Oldsmobile Cutlass
1935-1971 Pontiac GTO
1964-1972 Pontiac LeMans

Differential: GM 8.5" B.O.P.
Ring Gear Bolts: (not included)
Manufacturer: Nitro Gear & Axle

3 quarts of Nitro Synthetic Plus Gear Lube

Tech Note:
28 Spline
Includes 2 pinion seals.

Kit Contents:
Pinion Bearing & Race x2
Carrier Bearing & Race x2
Pinion Nut x1
Pinion Seal x2
Pinion Shims
Carrier Shims
Crush Sleeve x1
Marking Compound x1
Brush x1
Loctite x1

The kits assembled by Nitro Gear & Axle only use the highest quality bearings available from Timken & Koyo. Nitro Gear & Axle does not use any cheap Chinese bearings. By using only Timken & Koyo bearings just like all of the OEM vehicle manufacturers you can be assured that your differential will be reliable, durable, & quiet for years to come.

Nitro Gear and Axle Premium Differential Ring and Pinion Gears, Axles and parts

Nitro Gear & Axle strives to provide the highest quality differential components available. We take the steps necessary to ensure our parts are dependable. Our product range is continually growing to meet the needs of consumers for new ratios and Fits. At Nitro we know differentials, and know what it takes to provide you with high quality components.


This product can expose you to chemicals including toluene and benzene, which are known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to:

80W-140 Nitro Para-Synthetic Plus Gear Oil, GL5 (12 quart-Case)
Price: $259.88
80W-140 Nitro Para-Synthetic Plus Gear Oil
80W-140 Nitro Para-Synthetic Plus Gear Oil, GL5 (1 Quart)
Price: $21.82
80W-140 Nitro Para-Synthetic Plus Gear Oil

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