Since 1952
America's Oldest Speed Shop ®
Speedway Motors Bill Smith
Loading...
Products

Speedway Motors wants to make sure your T-Bucket stays as cool as it looks! Our T-Bucket aluminum radiators and short water pumps will keep the temperature down while you cruise the town. Top it off with a polished radiator cap, dog bone cap, winged radiator cap, cooling fan, and fan shroud. Give your T-Bucket a vintage look with a Model T motor meter and Model T filler neck. Speedway also offers all the radiator hoses, pulley spacers, and support brackets needed to complete the job.

"T-Bucket, Radiator Caps" Page 1 of 1

  • Round Chrome Radiator Pressure Cap, 15 Lbs
    Round Chrome Radiator Pressure Cap, 15 Lbs
    x
                

    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

  • Hex Chrome Radiator Cap, 15 Lbs
    Hex Chrome Radiator Cap, 15 Lbs
    x
                

    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.

  • Mr Gasket 2471S Thermocap Radiator Cap, 16 Lb.
    Mr Gasket 2471S Thermocap Radiator Cap, 16 Lb.
    x
                

    How handy is this! The built-in calibrated thermometer on this chrome-plated 16 lb. radiator cap makes it easy to check your coolant temp - and to know when its safe to remove the cap. Fits radiators on most domestic vehicles.

    • Helps to prevent burn injuries
    • Integrated coolant reclamation valve works great with your coolant recovery system
    • Your radiator can reclaim coolant from your overflow bottle
    • Wide 30° to 270° F temperature range
    • Calibrated in centigrade and Fahrenheit
    • Color-coded temperature ranges
    • Chromed crown with a colored trim ring

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

  • Chrome Radiator Pressure Cap, 7 lbs
    Chrome Radiator Pressure Cap, 7 lbs
    x
                

    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

  • Model T Dog Bone Radiator Cap, Chrome, Drilled
    Model T Dog Bone Radiator Cap, Chrome, Drilled
    x
                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

  • Garage Sale - Total Performance Brass Radiator Cap w/Hole
    Garage Sale
    Garage Sale - Total Performance Brass Radiator Cap w/Hole
    x
                These Dog Bone caps are a reproduction of an original aftermarket accessory that were available during the Model T era. These brass caps have a hole drilled in them for use with Jr. Moto-Meters and are 6” 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.

     

    This is garage sale priced because it has been discontinued.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

     

  • Model T Hex Radiator Cap, Brass, Undrilled
    Model T Hex Radiator Cap, Brass, Undrilled
    x
                Screws into the top of stock Model T filler necks or our repros. Brass.
            
  • Model T Gull Wing Cap, Brass, Undrilled
    Model T Gull Wing Cap, Brass, Undrilled
    x
                

    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.  

  • Hex Brass Radiator Cap, 15 Lbs.
    Hex Brass Radiator Cap, 15 Lbs.
    x
                

    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

  • Garage Sale - Total Performance Winged Hex Nut, 8 Inch
    Garage Sale
    Garage Sale - Total Performance Winged Hex Nut, 8 Inch
    x
                

    These big feather wings can be added to most Model T caps for radiators that have a moto meter and drilled cap. Measures 8" long and includes drilled chrome hex cap.

     

    This is garage sale priced because it has been discontinued.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

  • Model T Dog Bone Radiator Cap, Chrome, Undrilled
    Model T Dog Bone Radiator Cap, Chrome, Undrilled
    x
                

    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
  • Garage Sale - Mr Gasket Import Thermocap Radiator Cap
    Garage Sale
    Garage Sale - Mr Gasket Import Thermocap Radiator Cap
    x
                
    • Available for import applications only
    • Built-in thermometer indicates coolant temperature
    • Calibrated in Fahrenheit and centigrade
    • 30° to 270° F range
    • Color-coded temperature ranges
    • Integrated coolant reclamation valve
    • Helps prevent coolant burn injuries
    • Chrome crown with colored trim ring
    • Improves appearance under hood

    These caps are garage sale priced because they are different than what we currently offer.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

     

  • Garage Sale - Model T Gull Wing Undrilled Brass Radiator Cap
    Garage Sale
    Garage Sale - Model T Gull Wing Undrilled Brass Radiator Cap
    x
                

    Graceful, swept-back wing shape adds class and style to any Model T. Screws onto radiator filler neck**. Undrilled version does not accept Motor Meter. Available in Brass

    **NOTE: Cap does not fit our Model T Filler Necks 911-12221, 911-12220, 911-12222.

     

    These caps are garage sale priced because they have some flat spots on the threads and can't be sold as firsts.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

  • Speedway 16 Lb. Thermocap Radiator Cap
    Speedway 16 Lb. Thermocap Radiator Cap
    x
                

    The built-in calibrated thermometer on this chrome-plated 16 lb. radiator cap makes it easy to check your coolant temp - and to know when its safe to remove the cap. Fits radiators on most domestic vehicles.

    • Helps to prevent burn injuries
    • Integrated coolant reclamation valve works great with your coolant recovery system
    • Your radiator can reclaim coolant from your overflow bottle
    • Wide 30° to 270° F temperature range
    • Calibrated in centigrade and Fahrenheit
    • Color-coded temperature ranges
    • Chromed crown with a colored trim ring

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

  • Garage Sale - Brass Radiator Pressure Cap
    Garage Sale
    Garage Sale - Brass Radiator Pressure Cap
    x
                

    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

     

    This cap is garage sale priced because it has some discoloration in the brass. 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS    

  • Garage Sale - Total Performance Chrome Hex Radiator Cap
    Garage Sale
    Garage Sale - Total Performance Chrome Hex Radiator Cap
    x
                

    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.  

     

    This is garage sale priced because it has been discontinued.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

  • AFCO 80152-16 Billet Aluminum Radiator Cap
    AFCO 80152-16 Billet Aluminum Radiator Cap
    x
                

    This 16 lb. radiator cap is made of billet aluminum and fully polished.

    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
    x
                

    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

  • Garage Sale - Round Chrome Radiator Pressure Cap, 15 Lbs
    Garage Sale
    Garage Sale - Round Chrome Radiator Pressure Cap, 15 Lbs
    x
                Please view the product's page for more information
            
  • Garage Sale - AFCO Billet Aluminum Radiator Cap, 16 LB
    Garage Sale
    Garage Sale - AFCO Billet Aluminum Radiator Cap, 16 LB
    x
                

    This 16 lb. radiator cap is made of billet aluminum and fully polished.

     

    This cap is garage sale priced because it has scratches and scuffs on the top. 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Garage Sale - Speedway 16 Lb. Thermocap Radiator Cap
    Garage Sale
    Garage Sale - Speedway 16 Lb. Thermocap Radiator Cap
    x
                Please view the product's page for more information
            
  • Garage Sale - Radiator Cap Cover
    $5.99
    $14.99
    Garage Sale
    Garage Sale - Radiator Cap Cover
    x
                

    Radiator Cap Cover

    Outside Dimensions:

    3"x2"

     

    Inside Dimensions:

    2 3/4 x 1 3/4

     

    Clearance!

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

     

  • Model T Gull Wing Cap, Brass, Drilled
    Model T Gull Wing Cap, Brass, Drilled
    x
                

    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.  

  • Garage Sale - Chrome 7lb Radiator Caps
    $19.99
    $29.99
    Garage Sale
    Garage Sale - Chrome 7lb Radiator Caps
    x
                Please view the product's page for more information
            
  • 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
  • Garage Sale - Total Performance Brass T Radiator Cap
    Garage Sale
    Garage Sale - Total Performance Brass T Radiator Cap
    x
                

    Same as stock 1909-1915 Model T. Has four fins or "ears". Screws into all stock Model T filler necks. Brass only.

     

    This is garage sale priced because it has been discontinued.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

  • Round Brass 15 Lbs. Pressure Cap
    Round Brass 15 Lbs. Pressure Cap
    x
                

    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

  • Hex Chrome Radiator Caps
    $10.99
    Product Rating: 3.50 Stars
    Hex Chrome Radiator Caps
    x
                

    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 Hex Radiator Cap, Brass, Drilled
    Model T Hex Radiator Cap, Brass, Drilled
    x
                

    Screws into the top of stock Model T filler necks or our repros. This drilled style accepts motor meters.

  • Garage Sale - Total Performance Black 15 Lbs. Radiator Caps
    Garage Sale
    Garage Sale - Total Performance Black 15 Lbs. Radiator Caps
    x
                Please view the product's page for more information
            
  • Model T Gull Wing Cap, Chrome, Drilled
    Model T Gull Wing Cap, Chrome, Drilled
    x
                

    Graceful, swept-back wing shape adds class and style to any Model T. Screws onto filler neck.* Accepts motor meters.

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

  • Garage Sale - Total Performance 15 Lbs Brass Radiator Caps
    Garage Sale
    Garage Sale - Total Performance 15 Lbs Brass Radiator Caps
    x
                

    This unique hex style cap for radiators is now available in 15 lb. capacity. Beautiful brass finish.

     

    This is garage sale priced because it has been discontinued.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

  • Brass Radiator Pressure Cap
    $12.99
    Brass Radiator Pressure Cap
    x
                

    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, Undrilled
    Model T Hex Radiator Cap, Chrome, Undrilled
    x
                Screws into the top of stock Model T filler necks or our repros. Chrome.
            
  • Model T Brass Radiator Cap
    $14.99
    Product Rating: 5.00 Stars
    Model T Brass Radiator Cap
    x
                Same as stock 1909-1915 Model T. Has four fins or "ears". Screws into all stock Model T filler necks. Brass only.
            
  • Garage Sale - AFCO 80152-16 Billet Aluminum Radiator Cap
    Garage Sale
    Garage Sale - AFCO 80152-16 Billet Aluminum Radiator Cap
    x
                Please view the product's page for more information
            
  • Model T Gull Wing Cap, Chrome, Undrilled
    Model T Gull Wing Cap, Chrome, Undrilled
    x
                

    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.  

  • 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
  • Model T Hex Radiator Cap, Chrome, Drilled
    Model T Hex Radiator Cap, Chrome, Drilled
    x
                

    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.  

  • Garage Sale - Total Performance 15 Lbs. Chrome Radiator Caps
    Garage Sale
    Garage Sale - Total Performance 15 Lbs. Chrome Radiator Caps
    x
                

    This unique hex style cap for radiators. Available in 15 lb. capacity. Brilliant chrome finish.

     

    This is garage sale priced because it has been discontinued.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS