Differential Components
Posi Unit Overhaul Kits
Our complete posi-traction overhaul kits include everthing you
need to overhaul your posi-traction (or limited slip) unit. Kits
include a complete set of new clutches, a 300 pound spring, the
jar of the special G. M. posi additive, and a posi-traction
identification tag.
Year Application Part Number Price 67-72 10 or 12 bolt "O" type axel with anti-spin 18-002 85.00
Ring and Pinion Gear Sets
All ring and pinion sets are special order. Please allow two
weeks for delivery.
10 Bolt "B" or "P" axle
Year Gear Ratio Part Number Price 64-70 3.55 18-004 345.00 64-70 3.90 18-006 345.00 64-70 4.10 18-008 345.00
12 Bolt "O" axle (10 Bolt ring gear)
Year Gear Ratio Part Number Price 67-70 3.42 18-010 345.00 67-70 3.90 18-012 345.00
10 Bolt "O" axle (8.5" ring gear)
Year Gear Ratio Part Number Price 71-76 3.23 18-014 345.00 71-76 3.42 18-016 345.00 71-76 3.73 18-018 345.00
Universal Joints
The same part # fits both the front and rear locations and all
types of transmissions for all 1964-72 models.
1964-72 Universal Joint All Models UJ6472 $18.00
W-27 Rear End Covers
A fashionable accessory used on 1970-72 Oldsmobiles. Normally
found on Cutlass, 442 and Hurst/Oldsmobiles, the cover can be
used on any 10 or 12 bolt rear end housing built by Oldsmobile.
It adds a unique style to and lowers the operating temperature of
the differential.
All Oldsmobile 10 Bolt Units W2710 74.50 All Oldsmobile 12 Bolt Units W2712 74.50 Posi-Tr-action Identification Tag PT6472 3.50 Posi-Additive All Years POSIADD 7.00 Differential Vent Valve DV6472 4.50
Ring and Pinion Gear Bearings, Seal, and
Shim Kits
These terrific kits include premium pinion and carrier bearings
(SKF, FAG, Timken, or Bower/BCA brands), premium oil seals, a
shim pack, a crush sleeve, ajar of prussian blue and an
appilication brush to check your work, a new pinion nut, the rear
cover gasket, a tube of permatex Form-a Gasket #2, and even a
small jar of locktite!
D1082 G.M. 8.2" Early 10 Bolt 1965-71 $129.00 D1050 G.M. 8.5" 10 Bolt $149.00 D1200 G.M. 8.875" Diameter 12 bolt Passenger Car $159.00
B r o t h e r s
A u t o m o t i v e
E-mail:Oldsparts@aol.com
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Saturdays 8 AM to 12 PM CT