Flathead 10 Inch Clutch Disc, 1 Inch 14-Spline, S-10, T-5 Transmission
Flathead 10 Inch Clutch Disc, 1 Inch 14-Spline, S-10, T-5 Transmission
Speedway Motors

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#91015641

Flathead 10 Inch Clutch Disc, 1 Inch 14-Spline, S-10, T-5 Transmission

  • Not for use with 11" Ford truck pressure plate
  • Clearancing of adapter may be required with pressure plates larger than 9"
  • Speedway pressure plate 91015635 is without weights and provides extra clearance
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Diameter:

10 Inch

10-1/2 Inch9 Inch

$115.99

/each

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Product Summary

T5, 14 Input Shaft Spline Count, 10" Diameter

  • Not for use with 11" Ford truck pressure plate
  • Clearancing of adapter may be required with pressure plates larger than 9"
  • Speedway pressure plate 91015635 is without weights and provides extra clearance
  • T-5 transmissions may require drilling mount ears to 1/2"
See more details

Key Specs

MFG. Part #91015641
Input Shaft Spline Count14
Friction MaterialOrganic
Input Shaft Diameter1"
Diameter10"
See more specs

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Speedway Motors 91015641 Details

It's getting harder to find flathead Ford clutch components. We can help you resolve this problem with our 10" clutch discs for the flathead V8. They replace 10" OEM with a 11-5/8" bolt circle.

These premium organic clutch friction discs are for use with flathead Ford V8 to S-10 T-5  transmission conversions.

Flathead 10 Inch Clutch Disc

  • 1 Inch 14-Spline 
  • Early Ford Flatheads
  • S-10 T-5  transmission conversions
  • .317" friction surface thickness
  • .877 hub spline thickness

Warning: Not for use with 11" Ford Truck pressure plate.  Clearence of adapter may be required with pressure plates larger than 9".  Speedway pressure plate 91015635 is without weights and provides extra clearance.  T-5 transmissions may require drilling mount ears to 1/2".  

Charts

Specs

6-5/16” X  1-3/4” 

Speedway Motors 91015641 Specifications

KEY SPECS
MFG. Part #91015641
BrandSpeedway Motors
Input Shaft Spline Count14
Friction MaterialOrganic
Input Shaft Diameter1"
Diameter10"
Hub StyleSprung
GENERAL
Sold in QuantityEach

Ratings & Reviews

5

25 Reviews

Overall Assessment

Customers commend the product quality, emphasizing the clutch's excellent fit, durable material, and precision for mating a S10 5 speed to a flathead. Many have repeated their purchases with years of satisfaction from use. The product also eases gearbox/clutch adaptations on Flatheads due to correct back set on the centre spline, a reiterated favorite feature. Superior to competitors, this clutch is the only offering with correct parts for specific combinations. Further recommendations highlight its usability for T5 conversions, contributing to an enjoyable driving experience.

Write A Review

5

25 reviews

5

24

4

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I would buy this product again

5.0

a year ago

Rich

Washington

Verified

This is my second one, both used in a 1939 Ford Flathead with a T5 Transmission. Fits and work great better grab and no shutter when down shifting.

Would Recommend

I would buy this product again. Great quality product

5.0

2 years ago

Model a guy

Joplin,mo

Verified

Good quality for stock use,great for what I needed.

Would Recommend

Great item.

5.0

2 years ago

M.S.

08742

Verified

All's good.

Would Recommend

great product, they look great

5.0

2 years ago

speedster

Pennsylvania

Verified

fit right in place

Would Recommend

Iwould buy this again

5.0

2 years ago

Lonnie

Sequim ,WA

Verified

as expected from speedway. Everything seems to go together

Would Recommend

I would buy again

5.0

2 years ago

Tom

Michigan

Verified

Hard to find parts for flatheads and speedway has them

Would Recommend

Perfect fit to mate my S10 5 speed to my 8ba flathead.

5.0

4 years ago

Olskl_dave

Australia

Verified

The quality of this clutch is great .. The clutch that it's replacing was a Speedway Motors clutch, same part number, and it has lasted for many years. And l DRIVE my cars.😁

Would Recommend

Nice clutch, working fine,

5.0

4 years ago

nb

gncf

Verified

b

Would Recommend

yes

5.0

4 years ago

tommy

meredith nh

Verified

well made and fit perfect

Would Recommend

Flathead clutch

5.0

5 years ago

GD

Mammoth Lakes, CA

Verified

Found the flathead clutch to be exactly what I needed!!! Doing my T-5 swap into my 1959 GMC was the perfect fit. Working great, so fun to drive now. Thanks Speedway motors for keeping the classic cars and trucks rolling!!!

Would Recommend

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Showing 10 of 25 reviews

Questions & Answers

1 Question • 3 Answers

will this also suit Chevy 235 with S10 T5 has 10" pressure plate, t5 is 1352-042

by widow

• 13 years ago

3 answers

View Answers

1 of 1 questions shown

Fitment

  • 221 Ford Flathead V8

  • Ford Flathead V8 17 Stud 221 18

  • Ford Flathead V8 21 Stud 221 40

  • 221 Ford Flathead V8

  • 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

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 239 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 239 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 221 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

  • 221 Ford Flathead V8

  • 221 Ford Flathead V8

  • 221 Ford Flathead V8

  • 221 Ford Flathead V8

  • 221 Ford Flathead V8

  • 221 Ford Flathead V8

  • 221 Ford Flathead V8

  • 221 Ford Flathead V8

  • 221 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 221 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 221 Ford Flathead V8

  • 239 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 Ford Flathead V8

  • 255 Ford Flathead V8

  • 337 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