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Earls LS Oil Cooler Adapters and Block OffsYouTube Button

Earls GM LS Oil Cooler Block Off Plate with 1/8" NPT Port

Earl's GM LS Oil Cooler Block-Off w/ 1/8" NPT Port


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$37.04   Suggested Retail
$33.34   Your Price
Estimated shipping date: 03/11/2021
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Earl's GM LS Oil Cooler Block-Off is a billet cover that has an extra 1/8" NPT port that can be used for an oil pressure gauge or a turbo oil supply port. The 1/8" port is located on the top for extra header clearance. Includes billet cover, O-ring seal (no gasket required), and mounting hardware. Black anodized finish. Made in the USA.


  • Billet Aluminum w/ Black Anodized Finish
  • O-Ring Seal – Doesn’t Require a Gasket
  • 1/8” NPT Port That Can Be Used for Oil Pressure Gauge or Turbo Oil Supply Port
  • Includes Block-Off Plate, O-Ring, and Mounting Screws
  • Fits Most GM LS Oil Pans
  • Made in the USA


Adapter TypeOil Cooler Block-Off
Emission Code5
FinishAnodized Black
Material6061 Aluminum
Port Size1/8" NPT
Product LinePremium
Product TypeOil Cooler Block-Off
Part NumberLS0020ERL



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.


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