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Mr. Gasket GM LS Water Neck - Straight - Polished Finish

Fits 1997-2009 GM LS Engines

PART# 2671NA

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The mounting holes on these water necks are slotted to fit all model years of the GM (General Motors) LS Series engines. Choose from the 30 degree swivel style or a straight water neck. These water necks match the new black and polished accessory drive brackets and are for use in engine swap applications.


  • GM LS Water Necks
  • Choose From Swivel or Strait Style Water Necks
  • Black, or Polished Aluminum Finish
  • Fits All 1997-’15 GM LS Series Engines – Revised Design w/ Slotted Mounting Holes
  • Stainless Steel Mounting Bolts Included
  • Fits 1-1/2” Radiator Hose
  • Must Be Used w/ 2004-’08 Thermostat (i.e. Part #6367 160 degree, or # 6368 180 degree)
  • New Finish to Match Black or Polished Accessory Drive Brackets
  • Ideal for Engine Swap Applications


BrandMr. Gasket
Emission Code5
Product TypeWater Outlets
WarrantyLimited 90 Day
Part Number2671NA



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.

Tech Resources

Note: Must be used with 2004-2008 GM LS Thermostat like Mr. Gasket 6367 160 degree, or 6368 180 degree.

Warranty Information

Limited 90 Day: See Details


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