Product Summary

Modified, Sport Mod, Stock Car, 3.250" Overall Length

  • Automotive wheel studs
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Key Specs

MFG. Part #91048386
BrandSpeedway Motors
Thread Pitch5/8"-11
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Need To Know

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Speedway Motors 91048386 Details

Replacement 5/8 inch coarse thread wheel studs for Grand National Hub (ex. 910-48385)

Item Details

  • 2" thread length
  • 0.685" knurl dia. for recommended standard hole size 0.669" to 0.679"

Recommended drill bit size is 43/64" (0.6719")  # 910-82007

Recommended Press Fit for press-in wheel stud 

  • Steel Hub          0.006"-0.016"
  • Aluminum Hub   0.010"-0.016"

Tech Tip:  If nearest standard drill bit is too small, you will need to use an appropriately sized reamer to enlarge the drilled hole until it is within the tolerance for the desired press fit.

Speedway Motors 91048386 Specifications

KEY SPECS
MFG. Part #91048386
BrandSpeedway Motors
Thread Pitch5/8"-11
GENERAL
Overall Length3.250"
Knurl Diameter0.685"
Knurl Length0.500"
Thread Length1.900"
Head Diameter0.948"
Material TypeChromoly
Sold in QuantityEach
NotesHas the flat on the knurl for the Grand National hubs. .685 knurl. 3" length under head. Flat clipped side. KNURL DRILL 43/64 (.6719) 91082007

Ratings & Reviews

5

3 Reviews

Overall Assessment

Customers appreciate the product for its value for money and effectiveness. The product's proven quality and practicality have been highlighted, with one customer successfully using it to replace the studs on a Grand National hub. Its usability and material quality have also been underscored, with another customer commending the product's great performance in their tasks. The product, demonstrating superior aspects, has been recommended as a great product setting it apart from competitors.

5

3 reviews

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3

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I would buy this again

5.0

6 months ago

FF

Illinois

Verified

Fit well and work as expected

Would Recommend

Price and value

5.0

7 years ago

Gttin Dirty

Ohio

Verified

Replaced studs on Grand National hub.

Would Recommend

Great Product

5.0

8 years ago

Wayne

Waycross, GA

Verified

Worked Great

Would Recommend

Showing 3 of 3 reviews

Questions & Answers

5 Questions • 5 Answers

Do you have a stud with these specs thats 4 inches long? i need the flat side on it for my GN hub

by Dirtracer

• 6 years ago

1 answer

For custom applications, what would be the ideal hole size to press these studs into? Replacing the 14mm studs in my small car with these.

by Kyle

• 9 years ago

1 answer

Will this press in stud replace the screw in studs?

by Tim

• 10 years ago

1 answer

Will these work on my hybrid granada rotors?

by Outacontrol

• 13 years ago

1 answer

What is the knurl diameter?

by triess

• 13 years ago

1 answer

5 of 5 questions shown

Customer Impersonation Script