CSR Performance Thermostats, Housings & Fillers

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

Part Number: CSI-913AN20C

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

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

Part Number: CSI-99164

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Water Neck, Billet Aluminum, Clear Anodized, Swivel, 90 Degree, Ford, 429, 460, Each

Part Number: CSI-9112AN20C

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Water Neck, Billet Aluminum, Black Anodized, Swivel, 90 degree, Chevy, Each

Part Number: CSI-911AN20BLK

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Free Shipping
• Special Order

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

Part Number: CSI-913AN12C

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Free Shipping
• Special Order

-16 AN WATER NECK BLACK

Part Number: CSI-911AN16BLK

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Water Neck, Swivel, 90 degree, Billet Aluminum, Black, O-ring Sealing Style, Ford, Small Block Windsor, Each

Part Number: CSI-9110BLK

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Water Neck, Billet Aluminum, Black Anodized, Swivel, 90 Degree, Ford, Small Block Windsor, Each

Part Number: CSI-9111BLK

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Thermostat Housing CHEVY SWIVEL THERMOSTAT HOUSING #10AN FITTING

Part Number: CSI-911AN10BLK

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Radiator Hose Filler Inline 1 1/4- 1 1/2

Part Number: CSI-972

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Water Neck, Straight Up, O-ring Style, Billet Aluminum, Clear Anodized, Chevy, Each

Part Number: CSI-911LS115C

Not Yet Reviewed

Estimated Ship Date: Today

PONTIAC THERMOSTAT HOUSING REPLACEMENT O-RING KIT

Part Number: CSI-9114-15KIT

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Thermostat Housing CHEVY 350 LS1 THERMOSTAT HOUSING #20AN CONNECTION

Part Number: CSI-911LS1AN20C

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Water Neck, Swivel, 90 Degree, O-ring, Billet Aluminum, Clear Anodized, -16 AN Inlet, Chevy, Small/Big Block

Part Number: CSI-913AN16C

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Free Shipping
• Special Order

Water Neck CHEVROLET - CHRYSLER BIG BLOCK & SMALL BLOCK

Part Number: CSI-970BLK

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order

CHEVY SB/BB STRAIGHT THREAD THERMOSTAT HOUSING WITH AN12 FITTING

Part Number: CSI-912S-AN12C

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Free Shipping
• Special Order

CHEVY SB/BB STRAIGHT THREAD THERMOSTAT HOUSING WITH AN16 FITTING

Part Number: CSI-912S-AN16C

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Free Shipping
• Special Order

CHEVY SB/BB STRAIGHT THREAD THERMOSTAT HOUSING WITH AN20 FITTING

Part Number: CSI-912S-AN20C

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Free Shipping
• Special Order

360° Swivel Filler Necks CHEVY SWIVEL THERMOSTAT HOUSING W/ FILLER NECK 1 1/4"

Part Number: CSI-913-125BLK

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Free Shipping
• Special Order

360° Swivel Filler Necks CHEVY SWIVEL THERMOSTAT HOUSING W/ FILLER NECK 1 1/4"

Part Number: CSI-913-125C

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Free Shipping
• Special Order

WATER NECK

Part Number: CSI-913AN12BLK

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Free Shipping
• Special Order

Water Necks

Part Number: CSI-913BLK

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Free Shipping
• Special Order

360° Swivel Filler Necks CHEVY SWIVEL THERMOSTAT HOUSING W/ FILLER NECK 1 1/2"

Part Number: CSI-914-15BLK

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Free Shipping
• Special Order

360° Swivel Filler Necks CHEVY SWIVEL THERMOSTAT HOUSING W/ FILLER NECK 1 1/2"

Part Number: CSI-914-15C

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Free Shipping
• Special Order

Thermostat Housing CHEVY BB WATER PUMP FLANGE TO #12AN- SET OF 2

Part Number: CSI-915BLK

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order