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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    (1)











    JEGS Performance Products Small Block/Big Block Chevy Water Bypass Plate Only for Custom Applications


    Small Block/Big Block Chevy Water Bypass Plate
  • Only for Custom Applications
  • 1" Thick
  • Utilizes 3/8" NPT Fittings (sold separately)
  • Clear Anodized
  • Made in the USA
  • $31.32
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    (2)

    JEGS Performance Products In-Line Thermostat Housing Fits a 1-1/2" Radiator Hose (sold separately)


    In-Line Thermostat Housing
  • Fits a 1-1/2" Radiator Hose (sold separately)
  • Clear Anodized
    Includes:
  • (5) SS Bolts
  • (1) Thermostat Seal
    Use with Thermostats:
  • 555-53220, 555-53221 or 555-53222 (not included)
  • $59.09
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