1939-48 Flathead Big Bore Head Gaskets, Copper
1939-48 Flathead Big Bore Head Gaskets, Copper
Speedway Motors

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#91015890

1939-48 Flathead Big Bore Head Gaskets, Copper

  • Head gaskets for use with all bores from 3-1/16" to 3-3/8"
  • For 1939-1948 flathead Ford V8 engines
  • Constructed of the finest copper material and will seal where most gaskets fail
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Material:

Copper

Graphtite

$119.99

/pair

In Stock


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Product Summary

0.070" Compressed Thickness, 3.375" Gasket Bore, Copper

  • Head gaskets for use with all bores from 3-1/16" to 3-3/8"
  • For 1939-1948 flathead Ford V8 engines
  • Constructed of the finest copper material and will seal where most gaskets fail
  • The compressed thickness of these gaskets is .070"
  • Sold in pairs
See more details

Key Specs

MFG. Part #91015890
BrandSpeedway Motors
See more specs

Need To Know

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Speedway Motors 91015890 Details

Head gaskets for use with all bores from 3-1/16" to 3-3/8". For 1939-1948 flathead Ford V8 engines. The compressed thickness of these gaskets is .070".

Charts

Speedway Motors 91015890 Specifications

KEY SPECS
MFG. Part #91015890
BrandSpeedway Motors
GENERAL
Compressed Thickness0.070"
Sold in QuantityPair
Gasket Bore3.375"
Material TypeCopper
NotesUse a spray-on sealer like K&W Copper Coat or Permatex Copper Spray-a-Gasket when installing. Re-torque the bolts/nuts after several warm-up/cool-down cycles.

Ratings & Reviews

4.9

13 Reviews

Overall Assessment

Customers confirmed the product's high quality, praising its affordability and practicality. They described it as a durable, high-quality gasket at an affordable price. The product is versatile, being used in different models from drag cars to street rods. Installation instructions provided were appreciated, aiding easy fit during setup. However, customers suggested better marking for installation direction. Instances of successful replacements and its leak-proof quality proved its reliability over competitors.

Write A Review

4.9

13 reviews

5

12

4

1

3

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2

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I would buy again

5.0

a year ago

Carnutt

Pa

Verified

Copper exhaust gaskets seal good

Would Recommend

I will buy this product again

5.0

a year ago

Drew

New Zealand

Verified

Excellent product Excellent quality Speedway Motors you sell the best parts.

Would Recommend

Will buy again

5.0

a year ago

Davey

Pa

Verified

Quality product

Would Recommend

I would buy it again

5.0

3 years ago

Lrasmus

Utah

Verified

So far so good.

Would Recommend

Yes indeed, quality product at a fair price

5.0

4 years ago

Dick

Pearl River, Louisiana

Verified

Always follow manufacturers installation procedures

Would Recommend

yes

5.0

6 years ago

duce

Reno

Verified

Thank you.

Would Recommend

My second set one for 49-53 This set is for the 46

5.0

7 years ago

Odge

Placerville.ca

Verified

They are a quality gasket at an affordable price

Customer review image

I would use this product again

5.0

8 years ago

Dean

TX

Verified

Replaced graphite with these, used Copper Coat and no leaks.

Would Recommend

great service and help

5.0

9 years ago

col

australia

Verified

good product

Would Recommend

nice item.

5.0

9 years ago

irishpol

pflugerville, tx

Verified

used them on my twin flathead drag car.

Would Recommend

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Showing 10 of 13 reviews

Questions & Answers

2 Questions • 2 Answers

Will these gaskets work on a stock 39 Ford 221 CI flathead with a 3-1/16" bore and trapezoidal inlets in the block?

by Fred

• 9 years ago

1 answer

View Answer

48 edelbrock heads on 53 ford flathead I want to put old school 1948 edelbrock heads on my1953 flathead 239 c.i.I would like to know if these head gaskets work. thank you

by ripcord

• 12 years ago

1 answer

View Answer

2 of 2 questions shown

Fitment

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 239 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 221 Ford Flathead V8

  • 221 Ford Flathead V8

  • 221 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 239 Ford Flathead V8

  • 239 Ford Flathead V8

Customer Impersonation Script