Thermostat Housings, Filler Necks &amp; Water Restrictors

In-Line Radiator Hose Filler

Clear Anodize

-16AN x -16AN Male Threads

$65.99

$53.99

SAVE $12.00

(2)

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JEGS Aluminum Thermostat Housing

JEGS 51111

Part Number: 555-51111

JEGS 51111

JEGS Aluminum Thermostat Housing

Polished
Includes:

Hardware

$24.79

$20.06

SAVE $4.73

(25)

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JEGS Intake Manifold Coolant Filler Neck Kit [Clear Anodized Billet Aluminum]

JEGS 53005

Part Number: 555-53005

JEGS 53005

JEGS Intake Manifold Coolant Filler Neck Kit [Clear Anodized Billet Aluminum]

Intake Manifold Coolant Filler Neck Kit

Fits Small Block, Big Block & 90 Degree V6 Chevrolet Engines

1.250 in. O.D. Outlet

Billet Aluminum

Clear Anodized Finish

$52.78

$47.99

SAVE $4.79

(4)

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JEGS Intake Manifold Coolant Filler Neck Kit [Black Anodized Billet Aluminum]

JEGS 53073

Part Number: 555-53073

JEGS 53073

JEGS Intake Manifold Coolant Filler Neck Kit [Black Anodized Billet Aluminum]

Intake Manifold Coolant Filler Neck Kit

Fits Small Block, Big Block & 90 Degree V6 Chevrolet Engines

-12 AN Male Outlet

Billet Aluminum

Black Anodized Finish

$64.89

$53.09

SAVE $11.80

(3)

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JEGS Swivel Thermostat Housing Chevy V8 & 90 degree V6

JEGS 53038

Part Number: 555-53038

JEGS 53038

JEGS Swivel Thermostat Housing Chevy V8 & 90 degree V6

Swivel Thermostat Housing

Chevy V8 & 90° V6

Height: 2.75"

360° Swivel

For -16AN Upper Radiator Hose

Black Anodize
Includes:

(1) O-Ring Seal

(2) Stainless Bolts

$90.19

$73.07

SAVE $17.12

(2)

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JEGS Aluminum Thermostat Housing

JEGS 51126

Part Number: 555-51126

JEGS 51126

JEGS Aluminum Thermostat Housing

Black
Includes:

$22.79

$18.62

SAVE $4.17

(6)

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Moroso Billet Aluminum Manifold Filler Neck Small Block Chevy & Big Block Chevy

Moroso 63424

Part Number: 710-63424

Moroso 63424

Moroso Billet Aluminum Manifold Filler Neck Small Block Chevy & Big Block Chevy

$144.99

Billet Aluminum Manifold Filler Neck

$144.99

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

JEGS 51107

Part Number: 555-51107

JEGS 51107

JEGS 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

$34.20

$27.98

SAVE $6.22

(16)

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JEGS Replacement Hose & Fitting Kit for 555-51100

JEGS 51104

Part Number: 555-51104

JEGS 51104

JEGS Replacement Hose & Fitting Kit for 555-51100

Replacement Hose & Fitting Kit

For 555-51100Includes:

(1) -06AN x 10.625"L Hose

(1) -06AN x 9"L Hose

(2) -06AN x 1/4" NPT Straight Adapters

(2) -06AN x 1/4" NPT 45° Adapters

$93.99

$23.91

SAVE $70.08

(1)

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JEGS Aluminum Thermostat Housing for Chevy Small Block & Big Block [45-Degree Swivel Neck]

JEGS 51124

Part Number: 555-51124

JEGS 51124

JEGS Aluminum Thermostat Housing for Chevy Small Block & Big Block [45-Degree Swivel Neck]

45-Degree Swivel Neck

Cast Aluminum

Satin Black Finish

$22.79

$18.62

SAVE $4.17

(12)

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JEGS Aluminum Thermostat Housing for Small Block & Big Block Chevy

JEGS 51113

Part Number: 555-51113

JEGS 51113

JEGS Aluminum Thermostat Housing for Small Block & Big Block Chevy

Fits 1 1/2 in. I.D. Radiator Hose

Small Block Chevy

Big Block Chevy

Includes:

$20.99

$17.09

SAVE $3.90

(16)

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Billet Specialties Thermostat Housing

Billet Specialties BLK90900

Part Number: 135-BLK90900

Billet Specialties BLK90900

Billet Specialties Thermostat Housing

$66.99

6061-T6 Billet Aluminum

Black Anodized Finish

$66.99

Ships Today

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JEGS In-Line Radiator Hose Filler [-16 AN x -16 AN Male Threads]

JEGS 53059

Part Number: 555-53059

JEGS 53059

JEGS In-Line Radiator Hose Filler [-16 AN x -16 AN Male Threads]

In-Line Radiator Hose Filler

-16 AN x -16 AN Male Threads

Polished Finish

Includes 1/8 in. NPT x 5/16 in. Hose Overflow Fitting

$97.99

$79.37

SAVE $18.62

(1)

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Mr Gasket Thermostat Gasket

Mr Gasket 738G

Part Number: 720-738G

Mr Gasket 738G

Mr Gasket Thermostat Gasket

$30.70

(3)

1955-1988 Small Block Chevy 265-400

1/pkg

$30.70

(3)

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JEGS Swivel Thermostat Housing GM LS Black

JEGS 53027

Part Number: 555-53027

JEGS 53027

JEGS Swivel Thermostat Housing GM LS Black

Swivel Thermostat Housing

GM LS

Height: 2.75"

360° Swivel

For 1.50" Upper Radiator Hose

Black Anodized
Includes:

(1) O-Ring Seal

(2) Stainless Bolts

$93.89

$76.13

SAVE $17.76

(3)

Ships Today

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Moroso Cast Aluminum Water Neck Bleeder Kit Small Block Chevy & Big Block Chevy

Moroso 63430

Part Number: 710-63430

Moroso 63430

Moroso Cast Aluminum Water Neck Bleeder Kit Small Block Chevy & Big Block Chevy

$76.99

Cast Aluminum Water Neck Bleeder Kit

Bolt-On

Natural Finish

$76.99

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JEGS Aluminum Thermostat Housing

JEGS 51112

Part Number: 555-51112

JEGS 51112

JEGS Aluminum Thermostat Housing

Polished
Includes:

Hardware

JOES Racing Products 36025-V2

$22.99

$18.62

SAVE $4.37

(22)

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JOES Racing Products Billet Aluminum Thermostat Housing Spacer for Small Block Chevy, Big Block Chevy Heads [1 1/8 in. Thick] Black

Part Number: 514-36025-V2

JOES Racing Products 36025-V2

JOES Racing Products Billet Aluminum Thermostat Housing Spacer for Small Block Chevy, Big Block Chevy Heads [1 1/8 in. Thick] Black

$43.95

Thermostat Housing Spacer

Fits Small Block Chevy, Big Block Chevy Heads

1 1/8 in. Thick

(4) 1/2 in. NPT Ports for Coolant Lines

Billet Aluminum

Anodized Black Finish

O-Ring Seal

Chevrolet Performance 10108470K

$43.95

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Chevrolet Performance Cast Aluminum Thermostat Housing Kit Small and Big Block Chevy V8 Includes:

Part Number: 809-10108470K

Chevrolet Performance 10108470K

Chevrolet Performance Cast Aluminum Thermostat Housing Kit Small and Big Block Chevy V8 Includes:

$36.81

Cast Aluminum Thermostat Housing Kit

Small and Big Block Chevy V8
Includes:

Cast Aluminum Thermostat Housing

$36.81

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JEGS Billet Water Neck Block-Off Plate for Chevrolet V8 & 90 degree V6

JEGS 51102

Part Number: 555-51102

JEGS 51102

JEGS Billet Water Neck Block-Off Plate for Chevrolet V8 & 90 degree V6

Billet Water Neck Block-Off Plate

5/16 in. 6061-T6 Billet Aluminum
Includes:

Gasket

Stainless Steel Bolts

$18.99

$15.38

SAVE $3.61

(2)

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Moroso Billet Aluminum Filler Neck Small Block Chevy & Big Block Chevy

Moroso 63466

Part Number: 710-63466

Moroso 63466

Moroso Billet Aluminum Filler Neck Small Block Chevy & Big Block Chevy

$64.99

(1)

Billet Aluminum Filler Neck

Bolt-On

Natural Finish

$64.99

(1)

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Moroso Cast Aluminum Filler Neck Kit Small Block Chevy & Big Block Chevy

Moroso 63420

Part Number: 710-63420

Moroso 63420

Moroso Cast Aluminum Filler Neck Kit Small Block Chevy & Big Block Chevy

$87.99

(1)

Cast Aluminum Filler Neck Kit

Bolt-On

Natural Finish

$87.99

(1)

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Moroso Billet Aluminum Water Outlet Filler Neck Small Block Chevy

Moroso 63475

Part Number: 710-63475

Moroso 63475

Moroso Billet Aluminum Water Outlet Filler Neck Small Block Chevy

$54.99

Billet Aluminum Water Outlet Filler Neck

$54.99

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JEGS O-Ring Style Thermostat Housing for 1966-1975 Chevy V8 [Black Steel]

JEGS 511316

Part Number: 555-511316

JEGS 511316

JEGS O-Ring Style Thermostat Housing for 1966-1975 Chevy V8 [Black Steel]

O-Ring Style Thermostat Housing

1966-1975 Chevy V8

90-degree

1 1/2 in. Oulet

Black EDP (Electro Deposit Primer) Coated Steel

Includes:

(1) O-Ring

(2) Bolts

$17.99

$13.04

SAVE $4.95

(5)

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Mr Gasket Thermostat Gasket

Mr Gasket 740C

Part Number: 720-740C

Mr Gasket 740C

Mr Gasket Thermostat Gasket

$7.12

(4)

1955-1991 Small Block Chevy 262-400

1965-1990 Big Block Chevy 396-454

1/pkg.

Allstar Performance ALL30375

$7.12

(4)

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Allstar Performance Billet Water Neck Spacer 1" Tall

Part Number: 049-ALL30375

Allstar Performance ALL30375

Allstar Performance Billet Water Neck Spacer 1" Tall

$45.69

(2)

Four 1/2" NPT Ports with Plugs

Billet Water Neck Spacer

1" Tall

O-Ring Seal

$45.69

(2)

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JEGS Gasket Style Thermostat Housing Ford 390, 427 & 428

JEGS 511312

Part Number: 555-511312

JEGS 511312

JEGS Gasket Style Thermostat Housing Ford 390, 427 & 428

Gasket Style Thermostat Housing

Ford 390, 427 & 428

Chrome Plated Steel

Gasket and Bolts Included

Fits 1-1/2" Radiator Hose

$48.39

$39.59

SAVE $8.80

(2)

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JEGS Swivel Thermostat Housing Chevy V8 & 90 degree V6

JEGS 53033

Part Number: 555-53033

JEGS 53033

JEGS Swivel Thermostat Housing Chevy V8 & 90 degree V6

Swivel Thermostat Housing

Chevy V8 & 90° V6

Height: 2.75"

360° Swivel

For 1.50" Upper Radiator Hose

Black Anodize
Includes:

(1) O-Ring Seal

(2) Stainless Bolts

$91.78

$41.68

SAVE $50.10

(1)

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Moroso Billet Aluminum Filler Neck Small Block Chevy & Big Block Chevy

Moroso 63467

Part Number: 710-63467

Moroso 63467

Moroso Billet Aluminum Filler Neck Small Block Chevy & Big Block Chevy

$93.99

(1)

Billet Aluminum Filler Neck