Product Summary

Firewall Position, Disc/Drum Brake System Type, Natural

  • GM Universal Cast Iron Master Cylinder
  • 1 inch bore
  • 3/8 inch ports on both sides
  • Exact Copy of Original
  • Has a piston adaptor that will allow for power or manual applications
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Key Specs

MFG. Part #91041445
BrandSpeedway Motors
Master Cylinder Bore Size1 Inch
Master Cylinder MaterialCast Iron
FinishNatural
See more specs

Need To Know

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Return Policy

Speedway Motors 91041445 Details

  • GM Universal Cast Iron Master Cylinder
  • 1 inch bore
  • 3/8 inch ports on both sides
  • Exact Copy of Original
  • Has a piston adaptor that will allow for power or manual applications
  • For Disc/Drum or Drum/Drum Applications

Notes:

If you are running Drum/Drum you will also need a metering valve PVM)

Speedway Motors 91041445 Specifications

KEY SPECS
MFG. Part #91041445
BrandSpeedway Motors
Master Cylinder Bore Size1 Inch
Master Cylinder MaterialCast Iron
FinishNatural
GENERAL
PositionFirewall
Brake System TypeDisc/Drum
Outlet CountTandem
Reservoir TypeIntegral
Reservoir IncludedYes
Outlet Fitting3/8"-24 IFF
Sold in QuantityEach
Notes3/8-24 plug steel 9103190,brass 9103186

Ratings & Reviews

4.8

6 Reviews

Overall Assessment

Customers express overall satisfaction with the brake master cylinder's performance and durability in classic cars, including a '68 Camaro and a '65 Mustang. Many were impressed with its practicality and quality, noting that it enhanced the braking ability of their vehicle significantly, often outlasting other, similar products. Despite instances of fitting issues, users highlight the ease of installation and compatibility with various brake boosters as standout features. The Corvette master cylinder is frequently recommended over other models for its evident usability and reliability.

4.8

6 reviews

5

5

4

1

3

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Always a pleasure dealing with your company!

5.0

6 months ago

1932 3 Window

Washington State

Verified

Excellent

Would Recommend

Yes

5.0

3 years ago

Louis

Iola ks.

Verified

Daily driver 68 Camaro

Would Recommend

Worked for me

5.0

4 years ago

BA

AL

Verified

Hope it lasts longer than the one that came with my swinging pedal kit I installed 5 years ago.

Would Recommend

I would buy this product for sure

5.0

6 years ago

Fred

28677

Verified

I put this on my 57 chevy hardtop 2nd owner. I put a 79 TramsAm disk brake rear end and speedway motors disk brake kit on the front 20+years ago. Put this corvette master cylinder on and no problems. no power master cylinder and stop on a dime and give you change, Great tech people to talk to,350-5speed. THANKS'

Would Recommend

good value

4.0

7 years ago

Bill c

NC

Verified

couldnt use wrong fit

Would Recommend

I would buy this product again.

5.0

8 years ago

Danny

Dinwiddie county, Virginia

Verified

I bought the brake master cylinder for my wife's 1965 mustang after we installed disc brakes on it. The master cylinder was easy to install, and does work good with the brake booster.

Would Recommend

Showing 6 of 6 reviews

Questions & Answers

3 Questions • 3 Answers

Does this master cylinder have built in residual pressure valves?

by carlos

• 4 years ago

1 answer

Bought this for a 58 f100. Going to do disc up front and drums in rear. What proportioning valve and proportioning valve mounting bracket do you recommend to accompany this master cylinder?

by Bjano

• 6 years ago

1 answer

Can you tell me the length,width,and height of this master cylinder? Thanks, Greg

by Gregory

• 8 years ago

1 answer

3 of 3 questions shown

Fitment

                                Customer Impersonation Script