Product Summary

0.75" Under Head Length, 7/16"-14 Thread Pitch

  • Stainless Steel Flathead Ford V8 Tube Header Bolts
  • Allen head design
  • Set/12
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Key Specs

MFG. Part #91303955
BrandSpeedway Motors
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Need To Know

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Return Policy

Speedway Motors 91303955 Details

Premium stainless steel socket head bolts for your Flathead Ford tube headers. Each kit includes stainless steel AN washers.

Speedway Motors 91303955 Specifications

KEY SPECS
MFG. Part #91303955
BrandSpeedway Motors
GENERAL
Under Head Length0.75"
Thread Pitch7/16"-14
Thread Pitch (2)3/8"-16
Wrench TypeAllen
Material TypeStainless Steel
FinishPolished
Sold in QuantitySet
NotesSet of 12 bolts. (4) bolts are 7/16"-14 and (8) bolts are 3/8"-16. Includes washers.

Ratings & Reviews

5

5 Reviews

Overall Assessment

Customers assert that the product has proven to be a practical solution, fulfilling their specific needs with the inclusion of varying bolt sizes. The quality of the product is markedly superior compared to competitors’ offerings, as noted in the replacement of pre-rusted bolts with this durable version. The product's usability stands out prominently - an uncomplicated, yet effective solution for customers' diverse requirements. Overall, the product surpasses alternatives in quality and practical functionality, making it the preferred choice for customers.

5

5 reviews

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Filter by Ratings

I would buy again

5.0

a year ago

T

Alberta canada

Verified

Fit and look great.

Would Recommend

Worked Great

5.0

6 years ago

Ray

Kent,Washington

Verified

Was just what I needed

Would Recommend

I would buy this again

5.0

7 years ago

Ron Tractor Man

Kokomo In

Verified

Required two different size bolts and the correct ones were shipped.

Would Recommend

Better choice

5.0

8 years ago

Onerailtom

Winter Haven, FL

Verified

These are a much better choice than the partially pre rusted bolts that came with the tube headers.

Speedway customer service is top notch

5.0

10 years ago

Mike

Bailey CO

Verified

Stainless header bolts, how complicated can i make this?

Would Recommend

Showing 5 of 5 reviews

Questions & Answers

2 Questions • 2 Answers

Why two different sizes?

by 30chuck

• 13 years ago

1 answer

What size are these?

by Chris

• 14 years ago

1 answer

2 of 2 questions shown

Fitment

  • 221 Ford Flathead V8

  • Ford Flathead V8 17 Stud 221 18

  • Ford Flathead V8 21 Stud 221 40

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Customer Impersonation Script