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GM 8 7/8" Ring Gear (Car), 12 Bolt, Differential Cover

Part Number 6027 (was Part Number 9865)

PML GM 12 Bolt Car Differential Cover PML GM Car Diff Cover, black powder coat PML GM Car Diff Cover, polished
As-cast finish
$200.00
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Black powder coating
$270.00
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Polished finish
$375.00
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Volume: 1.0 qt. over stock

Dimensions: Click here for dimensions. Depth inside is 3 ¾ inches

This differential cover fits the rear end on the GM Corporation 8 7/8" (8.875") 12 bolt differentials used on many Chevy cars in the 1960s and 1970s. Some applications include:

  • Camaro 1967 - 1972
  • Chevelle 1965 - 1972
  • El Camino 1965 - 1972
  • Nova 1965 - 1967

PML Differential Cover Compared to Stock

PML Differential Cover Part Number 6027 height compared to stock  PML Differential Cover Part Number 6027, compared to stock
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These images show this PML differential cover compared to the stock cover.

1955 Chevy Pickup

Bill chose this PML differential cover for his GM 8.875 ring gear car–type rear axle and orange powder coat PML small block valve covers for his heavily modified Chevy 350 crate motor.

This Pickup is a 2018 Hot Rodder Top 100.

1955 Chevy Pickup 1955 Chevy Pickup   PML differential cover installed on 1955 Chevy Pickup PML differential cover   PML valve covers on 1955 Chevy Pickup 283 engine PML valve covers installed
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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.