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Product Summary

Single Pass Radiator Style, Aluminum, 2 Row Quantity

  • The radiator features 100% welded aluminum construction - no epoxy or fillers to fail
  • High flow dual 1" wide cores ensure your engine stays cool
  • Lightweight aluminum design weighs only 9 pounds and reduces unnecessary weight
  • Requires only 20" width between the frame rails of your Sprint Car frame
  • AN10 O-ring female upper connections and a single 1-1/2" lower right hose connection
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Key Specs

Radiator StyleSingle Pass
Radiator Flow DirectionDownflow
Material TypeAluminum
Inlet LocationBoth Sides
Outlet LocationLower passenger side
See more specs

Need To Know

Quick and Easy Returns

Return Policy

Speedway Motors 9403420 Details

Keep your cool on and off the track with a Speedway Aluminum Sprint Car Radiator! This radiator features 100% aluminum construction - no glues or fillers used in the construction process - which ensures your new radiator stays leak free for many seasons out on the track. A single, 1-1/2" bottom right inlet and 4 - AN10 outlets keep coolant flowing from engine to radiator effortlessly through the 2 high flow 1" radiator cores. Our Speedway Aluminum Sprint Car Radiator weighs in at only 9 lbs and only requires 22" L x 20" W of space between the rails of your sprint car frame.

Trusted by racers all around the world, packed full of the features that matter on race day, at an affordable price so you can spend more of your time where it matters - at the track!

This radiator uses a small 1" racing radiator cap, such as P#917-34210.

  • All aluminum, no epoxy.
  • Two high flow cores.
  • Outlets are AN10.
  • 1-1/2" bottom RH inlet.
  • 22" L x 20" W
  • 2" thick
  • 9 lbs

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

Speedway Motors 9403420 Specifications

KEY SPECS
MFG. Part #9403420
BrandSpeedway Motors
Radiator StyleSingle Pass
Radiator Flow DirectionDownflow
Material TypeAluminum
Inlet LocationBoth Sides
Outlet LocationLower passenger side
Row Quantity2
Tube Size1"
Overall Width Range19.00" to 19.99"
Overall Width19.75"
Overall Height Range21.00" to 21.99"
Overall Height21.25"
Overall Thickness2"
Core Thickness1.5"
FinishNatural
Cooling FanNot Included
Transmission CoolerNo
Shroud IncludedNo
Radiator Cap IncludedNo
GENERAL
Filler Neck Height0.65"
Fan IncludedNo
Notes(4) inlet fittings that are -10 AN. Centerline of the two inner most fittings is 7.00" Centerline of the two outer most fittings is 11.00"
Sold in QuantityEach

Ratings & Reviews

4.6

5 Reviews

Overall Assessment

Customers confirmed the product's high quality and functionality, priding it on its perfect fit for various car models. It was praised for its superior cooling performance even after years of use, outlasting competitors. There were concerns about leakage due to crimping around the cap base, however, many customers recommended it highly for its great fit and price value. Some customers believe it to be the best purchase for their needs.

4.6

5 reviews

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Maybe

3.0

3 years ago

Nev

Reelsville Indiana

Verified

It is leaking around the cap base where they crimped it on instead of welding it

Yes

5.0

3 years ago

Butch

Knoxville, iowa

Verified

This fit perfect in our car and worked perfectly.

Would Recommend

I would buy again

5.0

4 years ago

12

houston,tx

Verified

Works great in a 305 sprint

Would Recommend

fits like it is ment to be, price can't be better

5.0

10 years ago

old man

greenwood in

Verified

best buy

Would Recommend

Great Radiator

5.0

12 years ago

TLain33

Des Moines, IA, USA

I have had mine for three years no leaks and still cools as good as new.

Would Recommend

Showing 5 of 5 reviews

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