1966 Cooling & Heating - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Moroso Thermostat Spacers 63433

Thermostat Spacer, Billet Aluminum, Natural, 1 in. Thick, Chevy, Small Block, Big Block, Each

Part Number: MOR-63433

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Water Neck Spacers SUM-371200

Water Neck Spacers, Aluminum, Polished, 1.00 in. Thickness, Chevrolet, Each

Part Number: SUM-371200

2.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Spectre Performance Water Necks 4933

Water Neck, Billet Aluminum, Polished, 90 Degree, Chevy, Big/Small Block, Each

Part Number: SPE-4933

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Chevrolet Performance Thermostat Housings 12342024

Water Neck, 90 Degree, Cast Aluminum, Chrome, Chevy, Big/Small Block V8, Each

Part Number: NAL-12342024

4.74 out of 5 stars ( 27 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Hayden Electric Fan Controls 3651

Fan Switch, Thermostatic, Thread-In, Adjustable 160-210 Degrees F, Kit

Part Number: HDA-3651

3.03 out of 5 stars ( 31 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Mr. Gasket Chrome Plated O-Ring Water Necks 2662

Water Neck, Steel, Chrome Plated, O-Ring, 45 Degree, Ford, 260-302/351W, Each

Part Number: MRG-2662

3.96 out of 5 stars ( 27 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Hayden Fluid Coolers 403

Fluid Cooler, Transmission, Tube, Fin, Natural, 7.5 in. x 12.5 in. x 0.75 in., 3/8 in. Inlet, Outlet, Each

Part Number: HDA-403

4.61 out of 5 stars ( 44 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Aluminum Water Necks SUM-371101-15

Water Neck, Cast Aluminum, Polished, O-Ring, 75 Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371101-15

2.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Chrome Water Necks SUM-G3805-1

Water Neck, O-ring, Steel, Chrome, 45 degree, Ford, Small Block Windsor, Each

Part Number: SUM-G3805-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Edelbrock High Performance Thermostats 8605

Thermostat, High Performance, Mechanical, 53mm Outside Diameter, 195 degrees, High-flow, AMC, Buick, Cadillac, Chrysler, Ford, Hudson, Each

Part Number: EDL-8605

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Scott Drake Water Pump Bolt Kits WPB-C6OE-304

Water Pump Bolts, External Hex, Steel, Black Oxide/Zinc Plated, Ford, 289, 302, without A/C, Kit

Part Number: SDK-WPB-C6OE-304

3.86 out of 5 stars ( 14 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Hayden Fluid Coolers 405

Fluid Cooler, Transmission, Tube, Fin, Natural, 10 in. x 15.875 in. x 0.75 in., 3/8 in. Inlet, Outlet, Each

Part Number: HDA-405

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

OER Dash Air Vent Balls 3856472

Dash Vent, Ball Shape, Plastic, Chrome, Chevy, Each

Part Number: OER-3856472

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Chrome Water Necks SUM-370980

Water Neck, Thermostat Housing, 90 Degree, Chrome, Ford Small Block, SBF, Each

Part Number: SUM-370980

2.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Hayden Fan Clutches 2710

Fan Clutch, Standard Thermal, Chevy, Ford, Lincoln, Each

Part Number: HDA-2710

3.62 out of 5 stars ( 26 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Hayden Fan Clutches 2711

Fan Clutch, Thermal, Mercury, Chevy, Ford, Each

Part Number: HDA-2711

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Allstar Performance Chevy Aluminum Water Necks ALL30270

Water Neck, 90 Degrees, Swivel Style, O-ring Seal, 1.5 in. Outlet, with Hardware, Aluminum, Black Powdercoated, Matte Finish, Chevy, Gen I, Each

Part Number: AAF-ALL30270

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

FlowKooler Robertshaw Series High Performance Thermostats 330-195

Thermostat, High Flow, 195 Degree F, Copper/Brass, AMC, GM, Chrysler, Ford, Each

Part Number: BRA-330-195

4.14 out of 5 stars ( 28 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

EMP Stewart High Performance Thermostats 305

Thermostat, 180 Degree, High-Flow, Copper/Steel, Chrysler, Ford, Each

Part Number: EMP-305

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Chrome Water Necks SUM-G3803

Water Neck, Cast Steel, Zinc Alloy, Chrome Plated, Straight, Chevy, Big/Small Block, Each

Part Number: SUM-G3803

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Hayden Fluid Coolers 404

Fluid Cooler, Transmission, Tube, Fin, Natural, 7.5 in. x 15.875 in. x 0.75 in., 3/8 in. Inlet, Outlet, Each

Part Number: HDA-404

4.5 out of 5 stars ( 14 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

JOES Racing Products Water Neck Outlets 36050

JOES Racing Products Water Neck Outlets 36050

Water Neck, Aluminum, Black Anodized, Straight Up, -16 AN Male Threads, Chevrolet, Each

Part Number: JOE-36050

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

ARP Water Pump Bolt Kits 430-3202

Water Pump Bolts, Hex, Stainless Steel, Polished, Long Water Pump, Chevy, Small Block, Big Block, Kit

Part Number: ARP-430-3202

4.71 out of 5 stars ( 17 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Scott Drake Fan Shrouds for 1964-1966 MUSTANG - C3DZ-8146-DR

Fan Shroud, Single, Bolt-on, Steel, Black, Ford, Each

Part Number: SDK-C3DZ-8146-DR

3.31 out of 5 stars ( 13 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Edelbrock Water Necks 48143

Water Neck, 15 Degree, O-Ring, Steel, Black, Ford, Small Block, Each

Part Number: EDL-48143

3.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026