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Edelbrock high performance thermostats are designed to ensure consistent cooling in high performance applications. Edelbrock thermostats feature brass and copper valve assemblies with stainless steel bodies for durability. They are bolt-on OE-style replacements and are available to fit many popular domestic and import applications. They are available with160, 180, and 190 degree F ratings.
( 46 )
$22.95
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$26.95
Chevrolet Performance offers the parts that you need to keep your cooling system running right.
( 161 )
$21.85
Standard thermostats flow approximately 37 gallons of coolant per minute. Tuff Stuff Performance high-flow thermostats' number jumps to an impressive 56 gallons per minute—that's almost a 50 percent increase in coolant flow! Ideal for high performance vehicles, these thermostats increase flow, reduce delays in engine warm-ups, and allow trapped air in the cooling system to escape, thus stabilizing the pressure of the cooling system overall. Tuff Stuff Performance thermostats feature stainless steel construction with extra-large ports to ensure increased coolant flow, and the bridge design offers increased strength, stability, and reliability. These economical parts are available for thousands of make/model applications spanning the decades from the 1940s through the 1990s.
( 29 )
$17.99
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$19.99
Allstar Performance designed these cast aluminum 45 degree water necks to fit small block Ford applications. Finished with a lustrous chrome plating, Allstar Performance chrome plated water necks include an O-ring for sealing the base flange and two hex head bolts.
( 18 )
$17.99
Summit Bucks
Top Street Performance Pro Flow Series electric fan thermostats are designed to give you an accurate temperature reading for your cooling fan set-up. Order the replacement model needed for your fan switch application.
( 1 )
$12.36
Allstar Performance Chevy aluminum water necks are designed to fit most Chevy V8 engines, will accept most standard thermostats, and swivel (up to a full 360 degrees, depending on the model) to simplify connection of left- or right-hand radiator hoses to the engine. Their black anodized finish helps protect against corrosion, along with stainless steel hardware and an O-ring for sealing the base to the engine. Get the performance you need and the looks you want with an assist from the Allstar Performance Chevy aluminum water neck best suited for your application.
( 48 )
$17.99
Classic Performance water necks are functional beauties for your classic Chevy. They attach to the intake manifold, which allows the upper radiator hose to connect to the radiator. They are beautifully polished to look good under the hood.
Not Yet Reviewed
$17.99
Allstar Performance radiator hose restrictors stabilize water temperature and allow coolant to stay in the radiator longer for improved cooling. These aluminum funnel-shaped restrictors are easy to use. Just insert restrictors into lower radiator hoses and you should be good to go!
( 3 )
$19.99
Clearance
Spectre Performance water necks are available for a variety of applications. Many are designed around OEM specifications, are offered in different materials and finishes, neck angles, and swivel and non-swivel types. Spectre also offers water necks with bypass hose connections. Most will include bolts and O-ring where applicable.
( 39 )
$31.99
$19.50
Redhorse Performance 4910 Series thermostat housing hardware rebuild kits are available for a variety of water neck models. Each kit contains a replacement O-ring and hardware.
Not Yet Reviewed
$10.49
Redhorse Performance 4911 Series water neck adapters are designed for high performance and durability. The lightweight adapters are precision CNC-machined from aluminum, and are available in clear or blue, black, or red anodized finishes. Order the adapter model for your application needs.
Not Yet Reviewed
$23.71
On Sale
Fluidyne weld-on fill necks are ideal when you want a high performance piece for your radiator or surge tank. Available in a standard and mini size, they feature aluminum construction for durability in racing, street, or custom applications.
( 2 )
$23.00
$11.50
On Sale
With one of these low-temperature JET thermostats, you get consistent engine cooling and increased horsepower by reducing engine temperature. You'll also obtain more precise metering of water throughout your engine—as well as a long product life, since the thermostats are made from stainless steel.
( 137 )
$18.94
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$24.71
$17.05
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$22.24
On Sale
Summit Bucks
Mishimoto aluminum coolant fill necks are CNC-machined and ready to be welded for use with your custom project! Offered in two sizes, these high performance fill necks include a screw-in nipple for overflow and are compatible with their high-pressure radiator caps. Customize your fabricated aluminum radiator with Mishimoto aluminum coolant fill necks.
( 13 )
$22.95
$20.66
MotoRad offers fail-safe thermostats for a wide range of vehicles. These OE-style replacements are designed for a direct-fit and optimum performance. High-grade stainless steel and copper construction assure good response to temperature changes in the engine coolant. The thermostats are 100 percent tested and calibrated to meet or exceed factory standards. Order the model recommended for your application.
( 2 )
$10.99
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$19.99
BluePrint Engines offers water necks and thermostat housings for a variety of Chevrolet V8 small block and big block engine applications from 1955 and up. These engine coolant housings are available in numerous configurations, manufactured from factory materials and specifications to ensure proper fitment and long-lasting performance. Order the model recommended for your vehicle.
( 2 )
$18.95
You always get optimum performance when your engine is running at the proper temperature. Meziere Enterprises thermostats help your ride stay cool, making sure that you always get the most out of your vehicle. Stop the knocking, power reduction, and possible engine damage that high-temperature running can cause. Trust Meziere Enterprises to keep you cool.
( 22 )
$10.99
Summit Racing offers replacement thermostats for thousands of vehicles. They're offered in a variety of styles, materials, flow rates, temperature ratings, and more. A reliable thermostat is essential to your cooling system and overall performance—kicking in precisely when your engine needs it. Order the model best suited for your application.
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$10.99
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$23.99
In racing, precision is everything--from the driver's skill to each component under the hood. A racing engine thermostat isn't just about maintaining a lower temperature; it must endure the relentless demands of high-flow, high-pressure environments that standard parts simply can't handle. MotoRad Spec-R racing thermostats are engineered to offer rapid response and precise temperature control under extreme conditions, allowing optimal engine performance without compromise. They are manufactured to provide durability, withstand intense vibrations, and maintain reliability at every stage, ensuring that racers get consistent performance, lap after lap. Run your vehicle with maximum cooling efficiency; select the Spec-R racing thermostat best suited to your vehicle's needs. Features: * Black oxide coating for high temperature tolerance, corrosion resistance and life-long durability * Lower than OE opening temperature for cooler engine operation, resulting in more power * Specially formulated Spec R heat element mixture for faster response time * Proprietary gasket composition to withstand high-pressure/high performance cooling systems Note: Gaskets/seals may or may not be included.
( 1 )
$20.99
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$23.99
Summit Bucks
ACDelco Gold engine coolant thermostats are premium aftermarket replacements. They provide great performance and dependability. These thermostats meet all expectations for fit, form, and function. Get control of your coolant with an ACDelco Gold product.
( 12 )
$10.99
Engine Works offers thermostat housing gaskets for a variety of applications, including many Chevrolet Gen I engines from the 1950s and up. Ideal for oil pan and water pump sealing, the versatile .030 in. thick gaskets are made with fiber material, bound by high-quality NBR rubber. They're manufactured in accordance with factory specifications to ensure proper fitment and long-lasting performance. Sold in a set of 10.
Not Yet Reviewed
$10.31
Summit Bucks
ACDelco water necks and thermostat housings fit your vehicle just like the originals. When you need to restore the efficiency of your water inlet/thermostat housing, these quality replacements fix your issues with leak-free performance and peace of mind. The units are available in a variety of configurations for applications from the 1960s and up. You can be assured that not only the fit, but also the function will be just as expected. Replace your water necks with one of the same from ACDelco.
( 30 )
$17.99
Aisin thermostats are manufactured to original equipment specifications for exact form, fit, and function. Designed to help maintain cooling system performance, they keep coolant within the optimal temperature range. Each one is ready to install with no modifications required.
( 4 )
$12.50
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$20.99
All thermostats are not created equal. MotoRad thermostats offer superior, consistent performance that begins at the heart of their design. The ELAC heat motor, with its unique properties, provides a precise response to your vehicle's cooling system needs. Powered by a precisely formulated thermal-responsive wax pellet in a heat-conducting copper cup equipped with a stainless steel piston, the heat motor is 100 percent calibrated to ensure quality and performance. MotoRad encases the motor in a stainless steel assembly with a self-cleaning, self-aligning valve, flange, bridge, and spring for a securely sealed unit that will keep your engine temperature within OEM specifications. All thermostats are not alike; so, when you want a well-engineered product, look for MotoRad thermostats.
( 4 )
$10.99
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$19.50
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