Product Summary

Universal Fit, 2.23" Overall Diameter, Aluminum

  • 6061 aluminum
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Key Specs

Overall Diameter2.23"
Inside Diameter1.00"
Outside Diameter1.87"
Thread Pitch1/8" NPT
Material TypeAluminum
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Need To Know

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Speedway Motors 91015708 Details

Billet Aluminum Radiator Neck. This is a standard size neck. 

Top ID - 1.6"

Top OD - 2.23"

Bottom ID - 1.0"

Bottom OD - 1.87"

 

 

Speedway Motors 91015708 Specifications

KEY SPECS
MFG. Part #91015708
BrandSpeedway Motors
Overall Diameter2.23"
Inside Diameter1.00"
Outside Diameter1.87"
Thread Pitch1/8" NPT
Material TypeAluminum
Gasket(s) IncludedNo
Hardware IncludedNo
GENERAL
Filler Neck Height1.03"
FinishNatural
Sold in QuantityEach
Radiator Cap IncludedNo

Ratings & Reviews

4.8

12 Reviews

Overall Assessment

Customers highly recommend this product for its exceptional quality and versatility. It provides precise fits, making it easy to use for various custom applications like modifying radiators or constructing water tanks. Users find it particularly useful to relocate necks, a process made easy by its design. Customers often consider it a good replacement due to its comparable quality to higher-priced alternatives. The billet aluminum radiator neck specifically gets praise for its well-made, sturdy construction suitable for DIY aluminum radiators. Its practicality and affordability set it apart on the market.

4.8

12 reviews

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Welds great

5.0

a year ago

MG

Omaha, NE

Verified

Good description. Welds well!

Would Recommend

Fit as it Should

5.0

5 years ago

RACEng

Northern Michigan

Verified

Easy to purchase

Would Recommend

Worked great

5.0

5 years ago

Doc

Towanda, Ks

Verified

Welded to top of a thermostat housing I made.

Would Recommend

Well made

5.0

7 years ago

Jose

Phoenix AZ

Verified

Well made, have not welded it to my overflow tank yet.

Would Recommend

I would buy again

5.0

8 years ago

Sb

Yelm wa

Verified

These things look as good as the more expensive ones

Would Recommend

I would buy again

5.0

9 years ago

Flathead

OH

Verified

Good quality

Would Recommend

I have purchased two of these

5.0

9 years ago

Ron

Halfrock, mo

Verified

Allow me to modify a radiator for a specific application.

Would Recommend

This makes the job clean and simple.

4.0

10 years ago

Big Dog Reynolds

Spokane, WA.

Verified

Relocate neck anywhere

Would Recommend

there is no better then this

4.0

14 years ago

Chuy

Austin tx

Verified

To make a water tank

Would Recommend

Billet Aluminum Radiator Neck

5.0

15 years ago

Dragster55

Newalla, OK

Verified

Used to add filler opening to dragster radiator.

Would Recommend

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Showing 10 of 12 reviews

Questions & Answers

4 Questions • 4 Answers

I have to extend my top filler on my aluminum radiator if I use your neck kit 91734465 will your radiator filler neck 91015708 fit to be welded on?

by Gary

• 8 years ago

1 answer

Is there a flange on the bottom for welding? The 1/8" npt hole looks a little close for welding! We're an OEM looking for a radiator style filler for an 8" round aluminum tank for a piece of machinery we're designing.

by papaj

• 13 years ago

1 answer

how is this mounted? pipe thread or welded

by keeperofthenortherntoys

• 13 years ago

1 answer

Hi- Most radiator necks come in two standard sizes. Can you tell me the size of this one and is there a cap available (up to 13# pressure)? Thanks.

by Nan

• 15 years ago

1 answer

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