1/2 Inch Studs for Speedway Grand National Hubs
1/2 Inch Studs for Speedway Grand National Hubs
Speedway Motors

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#91048397

1/2 Inch Studs for Speedway Grand National Hubs

  • Automotive wheel studs
  • 1/2"-20 thread wheel side and 5/8"-18 thread hub side
  • These replacement screw-in wheel studs fit Speedway Grand National hubs
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$7.49

/each

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Product Summary

Modified, Sport Mod, Stock Car, 2.700" Overall Length

  • Automotive wheel studs
  • 1/2"-20 thread wheel side and 5/8"-18 thread hub side
  • These replacement screw-in wheel studs fit Speedway Grand National hubs
See more details

Key Specs

MFG. Part #91048397
BrandSpeedway Motors
Thread Pitch1/2"-20
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Need To Know

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Speedway Motors 91048397 Details

These replacement screw-in wheel studs fit Speedway Grand National hubs.

  • Black Oxide steel construction
  • 1/2"-20 (lug) x 5/8"-18 (hub)
  • 2.70" long
  • 1/2"
  • Sold each

 

Speedway Motors 91048397 Specifications

KEY SPECS
MFG. Part #91048397
BrandSpeedway Motors
Thread Pitch1/2"-20
GENERAL
Overall Length2.700"
Thread Length1.750"
Head Diameter0.620"
Material TypeSteel
FinishBlack Oxide
Sold in QuantityEach
Notes1/2-20 WHEEL SIDE, 5/8-18 HUB SIDE
ColorBlack

Ratings & Reviews

4.8

6 Reviews

Overall Assessment

Customers praise our product for its quality materials and precise fit. Many found it perfect for their specific needs, including adapting 1/2" studs for street wheel use in autocross and track days. Although a few customers mentioned the finish wasn't as smooth as with 5/8" stock car studs, they nevertheless appreciated that our product saved them from purchasing different rims. Users also found our product solution-oriented, with it effectively resolving issues faced by those with a Grand National Rear End with 5/8 studs. All in all, customers would buy the product again, citing its quality, practicality, and problem-solving attributes.

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4.8

6 reviews

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They are working just fine.

5.0

6 years ago

Rowdy

Granbury tx

Verified

Perfect for what I needed.

Quality Parts

5.0

7 years ago

Den

Pueblo CO

Verified

Good quality

Would Recommend

Spot on fit

5.0

7 years ago

Andrew Baumgardner

North Platte Ne

Verified

Perfect fit. Correct threads as advertised and no burs or damages

Would Recommend

Customer review image

1/2" adapter studs for street wheels

4.0

7 years ago

rixtrix1

Chandler, AZ

Verified

Needed 1/2" studs to use street wheels for autocross and trackdays. They're not nearly as high in quality as the 5/8" stock car studs that come with the hubs in my GN Rear Axle. Hopefully the lugnuts won't gall on the rough finish, but I'll probably chase the threads before using them.

Would Recommend

saved me from having to buy differant rims

5.0

8 years ago

garvir

clarkston, mi

Verified

great tech help

Would Recommend

I would buy this product again

5.0

8 years ago

Scott

Pembroke Pines Florida

Verified

Have a Grand National Rear end that had 5/8 studs. These studs solved the problem.

Would Recommend

Showing 6 of 6 reviews

Questions & Answers

3 Questions • 3 Answers

How do you get the original 5/8"studs out of the Winters hubs? I tried double nuts and a 14" wrench and I can't get the old ones to budge. Do they need to be heated to release loctite or what?

by Ric

• 7 years ago

1 answer

View Answer

Will these fit the Part # 91048423-58-5 grand national hubs?

by Johnny

• 7 years ago

1 answer

View Answer

Hi! Is the thread at the hub end 5/8-18 and 1/2-20 at the wheel end?

by Lasse t/a

• 10 years ago

1 answer

View Answer

3 of 3 questions shown

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