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"radiator cap and neck" Page 1 of 3

  • Filler Twist Cap with Steel Neck
    Filler Twist Cap with Steel Neck
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    These filler necks come with a vented cap which vents to the underside of the cap. Steel weld-in 2.25" O.D. bung. Cap locks on the inside of the neck, not on the outside like a radiator cap.

  • 1932 Ford Replacement Radiator Cap, Chrome Finish
    1932 Ford Replacement Radiator Cap, Chrome Finish
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    These original style replacement radiator caps are for Ford passenger cars. They are NOT designed for pressurized cooling systems. Chrome finish.

    • OEM style
    • Chrome finish
    • Not for pressurized cooling systems

    Note: This cap comes with (2) oversized washers that can be used to secure it permanently to the grille shell. This is handy when the customer's radiator does not have a 'dummy' neck.

    Learn more about cooling systems, how to choose the proper pressure cap, and how they work by reading our tech article. Cooling System Principles.  

  • Radiator Pressure Relief Valves
    Radiator Pressure Relief Valves
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    This valve is used with Speedway's aluminum T-bucket radiator (91015600). It threads into a 1/4" NPT hole in the top radiator tank and it limits the pressure in the radiator to 15 psi.

    The aluminum T-bucket radiator does not use a conventional "pressure" radiator cap, rather it uses the decorative "T" caps to seal the neck at the top of the radiator.

    The arrow on the valve indicates the flow from the radiator.

  • Round Chrome Radiator Pressure Cap, 15 Lbs
    Round Chrome Radiator Pressure Cap, 15 Lbs
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    Pressure caps for radiators featuring 15-pound capacity. Chrome finish.

    • 2-3/8" O.D. of cap top
    • 2-1/4" I.D. of cap top
    • Will fit a standard radiator neck
    • Sealing surface (which sits inside the neck) is 1-1/2" O.D.
    • Cap sides are 7/16" tall

    Learn more about cooling systems, how to choose the proper pressure cap, and how they work by reading our tech article. Cooling System Principles

  • Inline Die Cast Filler Neck, 1.5 Inch Hose
    Inline Die Cast Filler Neck, 1.5 Inch Hose
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    This 1-1/2" inline hose adapter allows you to put a radiator fill cap inline. Use a bleeder valve to get all air out. 

    Note:  You must use a Stant brand radiator cap in conjunction with this filler neck, such as # 910-15706.

  • 1934 Ford Replacement Radiator Cap, Passenger Car, Chrome
    1934 Ford Replacement Radiator Cap, Passenger Car, Chrome
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    These are original style replacement radiator caps for 1934 Ford passenger cars. They are not for pressurized cooling systems. These fin styled caps feature a chrome finish and match the hood/radiator chrome trim as expected.

    • OEM replacement
    • 1934 Ford passenger cars
    • Not for pressurized cooling systems
    • Chrome finish
    • Teardrop shape with rib running length of cap
    • 2-7/8” wide, 4” long, and 1-1/8” tall at high point of rib
    • Lock flange extends below cap into neck 1/2”
    • Lock tabs are on inside of neck similar to a gas cap and NOT on the outside as on later cars
    • 2-1/4” sealing surface O.D.  

    Note:  Verify neck style on radiator to obtain correct cap for your application.

     

  • 1917-1923 T-Bucket Aluminum Radiator
    From: $229.99
    Product Rating: 4.60 Stars
    1917-1923 T-Bucket Aluminum Radiator
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    These 1917-1923 T-Bucket radiators are built to work without a grille shell and look good doing it! Speedway T-bucket radiators do not use a conventional "pressure" radiator cap, rather they use the decorative "T" caps to seal the neck at the top of the radiator. A hidden pop-off valve (sold separately) is used for pressure control. Gasket # 91112222 is very helpful for sealing the decorative "T" caps.

    Features Chevy position outlets, auto transmission cooler, and approx. 1 gallon capacity. These accept "T" radiator caps and accessories, but are not included.

    1. The upper neck is left of center about 6".
    2. 4" upper tank thickness, 3" strap thicknes that encases the core, 2.25" core
    3. Uses 2 each 1" wide core tube
    4. Choose from buffed or polished

    Learn more about how radiators work and selecting the proper radiator for your vehicle by reading our tech article. Radiator Cooling Performance.

     

  • Hex Chrome Radiator Cap, 15 Lbs
    Hex Chrome Radiator Cap, 15 Lbs
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    This unique hex style cap for radiators. Available in 15 lb. capacity. Brilliant chrome finish.

    • 2-3/8" O.D. of cap top
    • 2-1/4" I.D. of cap top
    • Will fit a standard radiator neck
    • Sealing surface (which sits inside the neck) is 1-1/2" O.D.
    • Cap sides are 7/16" tall

    Learn more about cooling systems, how to choose the proper pressure cap, and how they work by reading our tech article. Cooling System Principles.

  • Model T Filler Neck, Chrome
    $39.99
    Model T Filler Neck, Chrome
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    1917-1927 Model T style radiator filler neck designed for use with hex radiator caps or dog bone radiator caps. Solder it onto your radiator or secure it with a long bolt through the center of the grille shell.

    • Base is 2.935"
    • Height is 2.5"

    NOTE: Gull wing caps (91112206, 91112207, 91112208, and 91112209) do not fit these Model T Filler Necks.

  • Model T Filler Neck, Brass
    $29.99
    Model T Filler Neck, Brass
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    1906-1916 Model T style radiator filler neck designed for use with hex radiator caps or dog bone radiator caps. Solder it onto your radiator or secure it with a long bolt through the center of the grille shell.

    • Base is 2.935" O.D.
    • Top is 2-1/8" O.D.
    • Height is 2-1/2"

    NOTE: Gull wing caps (91112206, 91112207, 91112208, and 91112209) do not fit these Model T Filler Necks.

  • Moroso 63420 Manifold Filler Neck
    Moroso 63420 Manifold Filler Neck
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    Makes manifold the highest filling point.  For cooling problems where radiator is mounted low. Fits both right or left applications. Sender mount. Fits GM V8, 90° V6.

    • Locates filler neck at highest point on cars with low-mount radiators to bleed off air
    • Unit can be flipped 180° for either right or left outlet location
    • Includes 1/2" NPT fitting for installing water temperature sending unit and two 1/4" NPT fittings for return lines on popular aftermarket cylinder heads
    • Made of 356-T6 cast aluminum; 3-1/4" high
    • Includes gaskets, bolts and washers, and standard size radiator cap filler neck
    • Cap is NOT included

     

  • Walker Z-487-2 Z-Series 1930-31 Ford Model A Radiator for Chevy Engine
    Walker Z-487-2 Z-Series 1930-31 Ford Model A Radiator for Chevy Engine
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                Please view the product's page for more information
            
  • Model T Dog Bone Radiator Cap, Chrome, Drilled
    Model T Dog Bone Radiator Cap, Chrome, Drilled
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                These Dog Bone caps are a reproduction of an original aftermarket  accessory that were available during the Model T era. These cast chrome  caps have a hole drilled in them for use with Jr. Moto-Meters and are 6-1/2”  long. The Dog bone style makes removing your radiator cap easier by  giving you a more convenient area to grip and to twist turn the hot cap,  as the  arms are outboard and they cool off in the air. Many people  like using it to add some style to your Model T.

    Model T Dog Bone Radiator Cap

    • Fits 1909-1927 Ford Model T radiators
    • Screws into stock filler necks
    • 6-1/2" long (end to end)
    • Drilled for Motor Meters
    • Chrome finish

    Learn more about cooling systems, how to choose the proper pressure cap, and how they work by reading our tech article. Cooling System Principles

  • Hex Brass Radiator Cap, 15 Lbs.
    Hex Brass Radiator Cap, 15 Lbs.
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    This unique hex style cap for radiators is now available in 15 lb. capacity. Beautiful brass finish.

    • 2-3/8" O.D. of cap top
    • 2-1/4" I.D. of cap top
    • Will fit a standard radiator neck
    • Sealing surface (which sits inside the neck) is 1-1/2" O.D.
    • Cap sides are 7/16" tall

    Learn more about cooling systems, how to choose the proper pressure cap, and how they work by reading our tech article. Cooling System Principles

  • Hex Brass Radiator Cap, 7 lbs
    Hex Brass Radiator Cap, 7 lbs
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    This unique hex style cap for radiators is now available in 7 lb. capacity. Beautiful brass finish.

    • 2-3/8" O.D. of cap top
    • 2-1/4" I.D. of cap top
    • Will fit a standard radiator neck
    • Sealing surface (which sits inside the neck) is 1-1/2" O.D.
    • Cap sides are 7/16" tall

    Learn more about cooling systems, how to choose the proper pressure cap, and how they work by reading our tech article. Cooling System Principles

  • Hex Chrome Radiator Caps
    $10.99
    Product Rating: 3.50 Stars
    Hex Chrome Radiator Caps
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    This unique hex style cap for radiators is now available in 7 lb. capacity. Brilliant chrome finish.

    • 2-3/8" O.D. of cap top
    • 2-1/4" I.D. of cap top
    • Will fit a standard radiator neck
    • Sealing surface (which sits inside the neck) is 1-1/2" O.D.
    • Cap sides are 7/16" tall

    Learn more about cooling systems, how to choose the proper pressure cap, and how they work by reading our tech article. Cooling System Principles

  • Model T Dog Bone Radiator Cap, Chrome, Undrilled
    Model T Dog Bone Radiator Cap, Chrome, Undrilled
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    These Dog Bone caps are a reproduction of an original aftermarket accessory that were available during the Model T era. These cast chrome caps  are 6-1/2” long. The Dog bone style makes removing your radiator cap easier by giving you a more convenient area to grip and to twist turn the hot cap, as the arms are outboard and they cool off in the air. Many people like using it to add some style to your Model T.

    Model T Dog Bone Radiator Cap

    • Fits 1909-1927 Ford Model T radiators
    • Screws into stock filler necks
    • 6-1/2" long (end to end)
    • Undrilled
    • Chrome finish
  • Model T Dog Bone Radiator Cap, Brass, Undrilled
    Model T Dog Bone Radiator Cap, Brass, Undrilled
    x
                

    These Dog Bone caps are a reproduction of an original aftermarket accessory that were available during the Model T era. These cast brass caps are 6-1/2” long. The Dog bone style makes removing your radiator cap easier by giving you a more convenient area to grip and to twist turn the hot cap, as the arms are outboard and they cool off in the air. Many people like using it to add some style to your Model T.

    Model T Dog Bone Radiator Cap

    • Fits 1909-1927 Ford Model T radiators
    • Screws into stock filler necks
    • 6-1/2" long (end to end)
    • Undrilled
    • Brass finish
  • Model T Dog Bone Radiator Cap, Brass, Drilled
    Model T Dog Bone Radiator Cap, Brass, Drilled
    x
                

    These Dog Bone caps are a reproduction of an original aftermarket accessory that were available during the Model T era. These cast brass caps have a hole drilled in them for use with Jr. Moto-Meters and are 6-1/2” long. The Dog bone style makes removing your radiator cap easier by giving you a more convenient area to grip and to twist turn the hot cap, as the arms are outboard and they cool off in the air. Many people like using it to add some style to your Model T.

    Model T Dog Bone Radiator Cap

    • Fits 1909-1927 Ford Model T radiators
    • Screws into stock filler necks
    • 6-1/2" long (end to end)
    • Drilled for Motor Meters
    • Brass finish
  • Chrome Radiator Pressure Cap, 7 lbs
    Chrome Radiator Pressure Cap, 7 lbs
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    Pressure caps for radiators featuring 7-pound capacity. Beautiful, smooth finish in chrome.

    • 2-3/8" O.D. of cap top
    • 2-1/4" I.D. of cap top
    • Will fit a standard radiator neck
    • Sealing surface (which sits inside the neck) is 1-1/2" O.D.
    • Cap sides are 7/16" tall

    Learn more about cooling systems, how to choose the proper pressure cap, and how they work by reading our tech article. Cooling System Principles

  • Brassworks 10-27H T-Bucket Radiator
    Brassworks 10-27H T-Bucket Radiator
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                Please view the product's page for more information
            
  • Brass Radiator Pressure Cap
    $12.99
    Brass Radiator Pressure Cap
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    Pressure caps for radiators featuring 7 or 15-pound capacity. Beautiful, smooth finish in brass.

    • 2-3/8" O.D. of cap top
    • 2-1/4" I.D. of cap top
    • Will fit a standard radiator neck
    • Sealing surface (which sits inside the neck) is 1-1/2" O.D.
    • Cap sides are 7/16" tall

    Learn more about cooling systems, how to choose the proper pressure cap, and how they work by reading our tech article. Cooling System Principles

  • Round Brass 15 Lbs. Pressure Cap
    Round Brass 15 Lbs. Pressure Cap
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    Pressure caps for radiators featuring 7 or 15-pound capacity. Beautiful, smooth finish in brass.

    • 2-3/8" O.D. of cap top
    • 2-1/4" I.D. of cap top
    • Will fit a standard radiator neck
    • Sealing surface (which sits inside the neck) is 1-1/2" O.D.
    • Cap sides are 7/16" tall

    Learn more about cooling systems, how to choose the proper pressure cap, and how they work by reading our tech article. Cooling System Principles

  • Model T Hex Radiator Cap, Chrome, Drilled
    Model T Hex Radiator Cap, Chrome, Drilled
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    Screws into the top of stock Model T filler necks or our repros. Drilled style accepts motor meters. Chrome.

    Learn more about cooling systems, how to choose the proper pressure cap, and how they work by reading our tech article. Cooling System Principles.  

  • Model T Gull Wing Cap, Brass, Undrilled
    Model T Gull Wing Cap, Brass, Undrilled
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    Graceful, swept-back wing shape adds class and style to any Model T. Screws onto radiator filler neck.*

    *NOTE: Cap does not fit our Model T filler neck 91112221 or 91112220.

    Learn more about cooling systems, how to choose the proper pressure cap, and how they work by reading our tech article. Cooling System Principles.  

  • Model T Brass Radiator Cap
    $14.99
    Product Rating: 5.00 Stars
    Model T Brass Radiator Cap
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                Same as stock 1909-1915 Model T. Has four fins or "ears". Screws into all stock Model T filler necks. Brass only.
            
  • Model T Hex Radiator Cap, Brass, Undrilled
    Model T Hex Radiator Cap, Brass, Undrilled
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                Screws into the top of stock Model T filler necks or our repros. Brass.
            
  • Model T Hex Radiator Cap, Brass, Drilled
    Model T Hex Radiator Cap, Brass, Drilled
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    Screws into the top of stock Model T filler necks or our repros. This drilled style accepts motor meters.

  • Model T Hex Radiator Cap, Chrome, Undrilled
    Model T Hex Radiator Cap, Chrome, Undrilled
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                Screws into the top of stock Model T filler necks or our repros. Chrome.
            
  • Speedway Ford-Mopar Universal Radiator
    From: $129.99
    Product Rating: 4.50 Stars
    Speedway Ford-Mopar Universal Radiator
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                Leave it to Speedway to offer you a professional quality aluminum racing radiator at an affordable price. Check out these features: 
    • All aluminum, furnace brazed construction - NO EPOXY, NO GASKETS
    • 2 rows of 1" aluminum tubes (out cools 5 rows of copper)
    • Maximum amount of fins per inch, allows greater heat transfer
    • Billet filler neck - not stamped
    • Available in 22", 24", 26", 28" or 31" (width measurements include tanks)
    • 19" tall

    In this Ford / Mopar Application the upper hose is located on the passenger side & the lower hose is located on the driver side.

    Speedy Bill recommends using a 32 lb. or less radiator cap and to check it regularly.

    Learn more about how radiators work and selecting the proper radiator for your vehicle by reading our tech article. Radiator Cooling Performance

  • Walker C-487-2 Cobra 1930-1931 Ford Model A Radiator for Chevy Engine
    Walker C-487-2 Cobra 1930-1931 Ford Model A Radiator for Chevy Engine
    x
                Please view the product's page for more information
            
  • Spike Racing Radiator for Sawyer Chassis, Single Row, Sprint Car
    Spike Racing Radiator for Sawyer Chassis, Single Row, Sprint Car
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                These stand-up style Sprint car radiators feature a single row double pass and will bolt or quarter turn fastener in by the side plates.  Equipped with one #12 fitting and one 1" push-on fitting and a 1" hose top inlet and a 1" hose outlet. Measures 17"  tall x 14" wide (not including mount brackets).                               
    • Radiator is 17" x 14"
    • Includes one #12 fitting and one 1" push-on fitting
    • Filler neck is welded on
    • Built specifically for Sawyer chassis
    • Designed to work with Spike chassis radiator air box (9601719)

    Note: Be sure to include our high pressure radiator cap (91015628) with this radiator.

    Learn more about how radiators work and selecting the proper radiator for your vehicle by reading our tech article. Radiator Cooling Performance.   

  • Model T Gull Wing Cap, Brass, Drilled
    Model T Gull Wing Cap, Brass, Drilled
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    Graceful, swept-back wing shape adds class and style to any Model T. Screws into filler neck.* Accepts motor meter.

    *NOTE: Cap does not fit our Model T filler neck 91112221 or 91112220.

    Learn more about cooling systems, how to choose the proper pressure cap, and how they work by reading our tech article. Cooling System Principles.  

  • Model T Gull Wing Cap, Chrome, Undrilled
    Model T Gull Wing Cap, Chrome, Undrilled
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    Graceful, swept-back wing shape adds class and style to any Model T. Screws onto filler neck.*

    *NOTE: Cap does not fit our Model T filler neck 91112221 or 91112220.

    Learn more about cooling systems, how to choose the proper pressure cap, and how they work by reading our tech article. Cooling System Principles.  

  • Walker C-Ac487-1 Cobra 28-29 Model A Radiator & Condenser-Chevy Engine
    Walker C-Ac487-1 Cobra 28-29 Model A Radiator & Condenser-Chevy Engine
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    Walker Cobra Series radiators boast a relatively thin, but efficient, high-flow copper core which is ideal for use with mild Small Block engines with stock or low compression ratios. Each radiator is built for a direct fit with heavy gauge steel side brackets and standard mounting holes pre-stamped. Plus, all radiators feature a built-in oil cooler for use with automatic transmissions. They work with original, reproduction, steel or fiberglass grille shells.

    • Dummy filler neck in OEM location - accepts stock type caps & accessories
    • Copper core w/ 1-piece brass tanks
    • Vertical tubes every 1/4" and 17 fins per inch of height
    • Heavy duty 12 Ga. steel side brackets w/ pre-drilled holes
    • Use a 15-18 lb. radiator cap
    • Brass drain cock
    • Simple bolt-in install w/ no modifications to grille or grille shell

    Ford Chassis W/ Chevy Engine Application Chart (GIF)

    Learn more about how radiators work and selecting the proper radiator for your vehicle by reading our tech article. Radiator Cooling Performance.   

     

  • Walker B-Z-4811 Z-Series 1917-1923 Ford Engine Model T Radiator
    Walker B-Z-4811 Z-Series 1917-1923 Ford Engine Model T Radiator
    x
                Please view the product's page for more information
            
  • Walker C-487-1 Cobra 1928-1929 Ford Model A Radiator for Chevy Engine
    Walker C-487-1 Cobra 1928-1929 Ford Model A Radiator for Chevy Engine
    x
                

    Walker Cobra Series radiators boast a relatively thin, but efficient, high-flow copper core which is ideal for use with mild Small Block engines with stock or low compression ratios. Each radiator is built for a direct fit with heavy gauge steel side brackets and standard mounting holes pre-stamped. Plus, all radiators feature a built-in oil cooler for use with automatic transmissions. They work with original, reproduction, steel or fiberglass grille shells.

    • Dummy filler neck in OEM location - accepts stock type caps & accessories
    • Copper core w/ 1-piece brass tanks
    • Vertical tubes every 1/4" and 17 fins per inch of height
    • Heavy duty 12 Ga. steel side brackets w/ pre-drilled holes
    • Use a 15-18 lb. radiator cap
    • Brass drain cock
    • Simple bolt-in install w/ no modifications to grille or grille shell

    Ford Chassis W/ Chevy Engine Application Chart (GIF)

    Learn more about how radiators work and selecting the proper radiator for your vehicle by reading our tech article. Radiator Cooling Performance

     

  • Walker C-481-1 Cobra 1917-1923 Ford Model T Radiator for Chevy Engine
    Walker C-481-1 Cobra 1917-1923 Ford Model T Radiator for Chevy Engine
    x
                

    Walker Cobra Series radiators boast a relatively thin, but efficient, high-flow copper core which is ideal for use with mild Small Block engines with stock or low compression ratios. Each radiator is built for a direct fit with heavy gauge steel side brackets and standard mounting holes pre-stamped. Plus, all radiators feature a built-in oil cooler for use with automatic transmissions. They work with original, reproduction, steel or fiberglass grille shells.

    • Chrome dummy filler neck in OEM location - accepts stock caps & accessories 
    • Copper core w/ 1-piece brass tanks
    • Vertical tubes every 1/4" and 17 fins per inch of height
    • Heavy duty 12 Ga. steel side brackets w/ pre-drilled holes
    • Use a 15-18 lb. radiator cap
    • Brass drain cock
    • Simple bolt-in install w/ no modifications to grille or grille shell

    Ford Chassis W/ Chevy Engine Application Chart (GIF)

    Learn more about how radiators work and selecting the proper radiator for your vehicle by reading our tech article. Radiator Cooling Performance.  

     

  • Walker C-Ac487-2 Cobra 1930-31 Model A Radiator/Condenser Chevy Engine
    Walker C-Ac487-2 Cobra 1930-31 Model A Radiator/Condenser Chevy Engine
    x
                Please view the product's page for more information
            
  • Walker C-481-2 Cobra 1924-1927 Ford Model T Radiator for Chevy Engine
    Walker C-481-2 Cobra 1924-1927 Ford Model T Radiator for Chevy Engine
    x
                

    Walker Cobra Series radiators boast a relatively thin, but efficient, high-flow copper core which is ideal for use with mild Small Block engines with stock or low compression ratios. Each radiator is built for a direct fit with heavy gauge steel side brackets and standard mounting holes pre-stamped. Plus, all radiators feature a built-in oil cooler for use with automatic transmissions. They work with original, reproduction, steel or fiberglass grille shells.

    • Chrome dummy filler neck in OEM location - accepts stock type caps & accessories
    • Copper core w/ 1-piece brass tanks
    • Vertical tubes every 1/4" and 17 fins per inch of height
    • Heavy duty 12 Ga. steel side brackets w/ pre-drilled holes
    • Use a 15-18 lb. radiator cap
    • Brass drain cock
    • Simple bolt-in install w/ no modifications to grille or grille shell

    Ford Chassis W/ Chevy Engine Application Chart (GIF)

    Learn more about how radiators work and selecting the proper radiator for your vehicle by reading our tech article. Radiator Cooling Performance.  

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