1966 Thermostats, Housings & Fillers

Water Neck, Billet Aluminum, Clear Anodized, Swivel, 90 Degree, Chevy, Big Block, Small Block, Each

Part Number: CSI-911AN12C

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Water Neck, Billet Aluminum, Clear Anodized, Swivel, 90 Degree, Pontiac, V8, Each

Part Number: CSI-9114AN20C

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Water Neck, Billet Aluminum, Clear Anodized, Swivel, 90 Degree, Pontiac, V8, Each

Part Number: CSI-9115C

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Water Neck, Billet Aluminum, Clear Anodized, Swivel, 90 Degree, Chevy, Big/Small Block, Each

Part Number: CSI-911AN10C

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Water Neck, Steel, Silver, Buick, Checker, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: SNN-CH4852

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Water Neck, Steel, Silver, Pontiac, Each

Part Number: SNN-CH4843

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Water Neck, Steel, Silver, Buick, Chevrolet, GMC, Jeep, Oldsmobile, Pontiac, Each

Part Number: SNN-CH4853

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Water Neck, Steel, Silver, Buick, Checker, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: SNN-CH4899

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Polished, -16 AN Outlet Size, Ford, 390/406/427/428 Big Block FE, Each

Part Number: MCH-BTH-325-05

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Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Clear, Polished, -16 AN Outlet Size, Chrysler, Dodge, Plymouth, Small Block, Each

Part Number: MCH-BTH-409

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Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Satin Black Anodized, -16 AN Outlet Size, Ford, 390/406/427/428 Big Block FE, Each

Part Number: MCH-BTH-325-08

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Water Neck, Billet Aluminum, Blue Anodized, 15 Degree, Ford, 221-302/351W, Each

Part Number: MEZ-WN0023B

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Water Neck, Billet Aluminum, 90 Degree, Swivel, -16 AN, Chevy, Each

Part Number: PFF-10-2116

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Water Neck, Billet Aluminum, Low Profile, Pass Side Outlet, Polished, Chevy, Chrysler, Big/Small Block,15 Degree, Each

Part Number: MEZ-WN0022PU

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Water Neck Spacer, Billet Aluminum, Black Anodized, Chevy, Mopar, Big Block, Small Block, Each

Part Number: MEZ-WN1028S

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Water Neck, 90 degree, Swivel, O-ring Sealing Style, Billet Aluminum, Black Anodized, Chevy, Each

Part Number: CSI-913AN20BLK

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Water Neck, Billet Aluminum, Clear Anodized, 90 Degree, Universal, Each

Part Number: CSI-99131

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Water Neck, Billet Aluminum, Clear Anodized, 90 Degree, Universal, Each

Part Number: CSI-99132

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Water Neck, Expansion Style, 90 degree, O-ring Sealing Style, Billet Aluminum, Clear Anodized, Chevy, Each

Part Number: CSI-99160

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Water Neck, Expansion Style, 90 degree, O-ring Sealing Style, Billet Aluminum, Clear Anodized, Chevy, Each

Part Number: CSI-99161

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Water Neck, Expansion Style, 90 degree, O-ring Sealing Style, Billet Aluminum, Clear Anodized, Chevy, Each

Part Number: CSI-99165

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Fitting, Manifold Plate, Straight, SBC/BBC/BBM to 3/4-NPT Female, Aluminum, Black Anodized, Each

Part Number: MEZ-WN0008S

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Water Neck, Billet Aluminum, Swivel, Blue Anodized, 15 Degree, Chevy, Mopar, Big Block, Small Block, Each

Part Number: MEZ-WN0020B

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Water Neck, Billet Aluminum, Swivel, Chrome Plated, 15 Degree, Chevy, Mopar, Big Block, Small Block, Each

Part Number: MEZ-WN0020C

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Water Neck, Billet Aluminum, Swivel, Red Anodized, 15 Degree, Chevy, Chrysler, Big/Small Block, Each

Part Number: MEZ-WN0020R

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