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

Fits 1997-2015 GM LS Engines

PART# 2671BK

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Great for engine conversion applications where engine / radiator inlet and outlet ports may be in different locations versus original equipment.


  • Center water neck outlet, allows radiator hose routing options
  • Height from Gasket Surface to Tip is 2.75"
  • Made from die-cast aluminum for strength and durability
  • Thick mounting flange prevents warping and provides a
  • Black coated for looks
  • Includes stainless steel Allen head mounting bolts
  • Radiator hose inlet size is 1.500”
  • Ideal for Engine Swap Applications


BrandMr. Gasket
Emission Code5
Product TypeWater Outlets
WarrantyLimited 90 Day
Part Number2671BK



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: 1997-2003 engines require using a 2004-Up thermostat. See Mr. Gasket #6367 160 degree or #6368 180 degree thermostats

Warranty Information

Limited 90 Day: See Details


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