Thermostat Housings, Filler Necks & Water Restrictors

There are a number of thermostat housings and water necks to help you locate your radiator hose in the right direction or dress-up the top of your engine. JEGS offers several straight, swivel, 90 degree and angled water necks in chrome, billet aluminum and other materials! Get the thermostat housing to fit your needs!

Individual Products Product Groups
Category: Cooling, AC & Heating Thermostat Housings, Filler Necks & Water Restrictors

















JEGS Performance Products Water Restrictor Discs


Water Restrictor Discs
  • Made in the USA
    Includes:
  • (1) 5/8" ID (Gold) Restrictor
  • (1) 3/4" ID (Blue) Restrictor
  • (1) 1" ID (Red) Restrictor
  • $5.95
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    JEGS Performance Products LS Thermostat Housing Black (Hard Anodized)


    LS Thermostat Housing
  • Black (Hard Anodized)
  • Uses Small Block Chevy Thermostat
  • O-Ring Seal
    Includes:
  • O-Ring
  • Stainless Fasteners
    Fits:
  • 1997-04 GM Gen III LS1
  • 2005-07 Gen IV LS2
  • 2007-08 LS7
  • $38.99
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