4-1/2 Inch Chopped 1932 Lo-Boy Aluminum Radiator
4-1/2 Inch Chopped 1932 Lo-Boy Aluminum Radiator
Speedway Motors

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#9173425

4-1/2 Inch Chopped 1932 Lo-Boy Aluminum Radiator

  • All TIG welded assembly with Two rows of 1" furnace brazed cores offers superior cooling performance over brass
  • For 4 1/2" Chopped '32 Ford grille shell., Dummy filler neck in original location, Radiator support rod brackets installed
  • Automatic transmission cooler with 1/8" NPT inlet., 1/2" NPT port at bottom for sending unit with drain petcock
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Height/Style:

22-1/2 Inch/Chopped

27 Inch/Standard21 Inch/Chopped

$415.99

/each

In Stock

Garage Sale alternatives: from $237.05


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Product Summary

Single Pass Radiator Style, Aluminum, 2 Row Quantity

  • All TIG welded assembly with Two rows of 1" furnace brazed cores offers superior cooling performance over brass
  • For 4 1/2" Chopped '32 Ford grille shell., Dummy filler neck in original location, Radiator support rod brackets installed
  • Automatic transmission cooler with 1/8" NPT inlet., 1/2" NPT port at bottom for sending unit with drain petcock
  • 1 1/2" upper and 1 3/4" lower hoses for Chevy engines
  • Height: 22-1/2", Width: 17-1/2" w/o brackets, Core: 16-1/4" W x 17-1/4" T, Thickness @ Core: 2-17/64"
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Key Specs

MFG. Part #9173425
Radiator StyleSingle Pass
Radiator Flow DirectionDownflow
Material TypeAluminum
Inlet LocationUpper driver side
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Speedway Motors 9173425 Details

Latest high efficiency core designed with Chevy-style outlets. Perfect fit with Lo-Boy grille shell and grille insert. Super duty, all aluminum construction is ideal for high compression or supercharged engines.

  • 2 rows of 1" furnace brazed cores
  • TIG welded brackets
  • Internal automatic transmission cooler
  • 1-1/2" upper inlet & 1-3/4" lower outlet
  • Height:  22-1/2"
  • Width:  17-1/2" w/o brackets
  • Thickness @ Core:  2-17/64"
  • Core:  16-1/4" W x 17-1/4" T
  • Trans Cooler Ports:  1/8"-27 NPT
  • Hose Nipple on Filler Neck:  5/16" O.D.
  • Accessory Port on Lower Tank:  1/2"-14 NPT
  • passenger side lower hose (1-3/4"), driver side upper hose (1-1/2")

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

Item Details

22-1/2" tall

Speedway Motors 9173425 Specifications

KEY SPECS
MFG. Part #9173425
BrandSpeedway Motors
Radiator StyleSingle Pass
Radiator Flow DirectionDownflow
Material TypeAluminum
Inlet LocationUpper driver side
Outlet LocationBoth Sides
Row Quantity2
Tube Size1.00"
Overall Width Range18.00" to 18.99"
Overall Width18"
Overall Height Range22.00" to 22.99"
Overall Height22.5"
Overall Thickness4"
Core Width Range16.00" to 16.99"
Core Width16.5"
Core Height Range17.00" to 17.99"
Core Height17.5"
Core Thickness2.25"
FinishNatural
Cooling FanNot Included
Transmission CoolerYes
Shroud IncludedNo
Inlet Size1.5
Radiator Cap IncludedNo
GENERAL
Sold in QuantityEach
Notes1/2" NPT accessory fitting. Transmission cooler fittings are 1/8" NPT.
Filler Neck Height2.25"
Fan IncludedNo

Ratings & Reviews

4.7

7 Reviews

Overall Assessment

Customers appreciate the product for enhancing both the functionality and appearance of their vintage cars. The radiator is praised for its excellent fit and impressive quality, noted as a cost-effective alternative to pricier custom options. Users find it reliable for different car models, from Model A highboy roadsters to a '36 Chevy coupe. Some customers recommend improving the robustness of the support rod bracket, but overall, customers find the radiator great in both aesthetics and performance.

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4.7

7 reviews

5

5

4

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The 4 1/2 chopped radiator is excellent! I would definitely!

5.0

3 months ago

Dave

Amarillo , Texas

Verified

The radiator has great quality and features. It fits very well on the frame and it looks great. The transmission cooling ports and temp sensor ports are beautifully welded. It is ready for paint and installation! It's a great product!

Would Recommend

yes

5.0

5 years ago

Tom

Columbus, Ohio

Verified

It will take some work to adapt this unit to my Model A highboy roadster but it will be worth the effort to enhance the appearance of the build as well as improve the function of the cooling system. A very nice piece.

Would Recommend

Good product

4.0

6 years ago

Jim Bob

Buckley Wa

Verified

Used it on a 34 Ford pu rebuild. Worked great

Would Recommend

I did buy this product again..2nd one

4.0

9 years ago

joe

ontario canada

Verified

fit very well....great quality..have the same rad in my other hot rod....only drawback is the support rod bracket could be beefier

Would Recommend

exactly as described

5.0

11 years ago

none

NC

Verified

Installed in 1936 Graham With 350

Would Recommend

Quality product

5.0

12 years ago

Tony1936

Freeland, MI, USA

Verified

Very nice looking radiator. Impressed with fit and quality. It is a nice radiator if you do not like the idea of a $800 custom high dollar radiator or the not so sure feeling about some off shore cheapy.

Would Recommend

Purchased a radiator, temp gauge, and a

5.0

12 years ago

Nanc

Norwich, CT, USA

Verified

The radiator fit just great into my 36 Chevy 5 window coupe. I also purcashed a new temp gauge and a pair of blue fuzzy dice for some added nostalgia.

Would Recommend

Showing 7 of 7 reviews

Questions & Answers

3 Questions • 7 Answers

Your paper catalog has a photo of this item showing it having a neck at the top center, and the written description says "dummy filler neck in original position". Your on-line catalog does not show any neck at the top, and does not mention this in the description. Which is correct?

by Van

• 8 years ago

5 answers

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Hello - Is this offered with Ford location inlet/outlets?

by Andy

• 9 years ago

1 answer

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What Lb. Radiator cap would I use on this radiator? thanks

by Kyle

• 9 years ago

1 answer

View Answer

3 of 3 questions shown

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