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Aluminum Master Cylinder

Specs
Material Type:
Aluminum
Sold in Quantity:
Each
Finish:
Natural
Outlet Fitting:
3/8"-24
Centerline of Holes:
3.25
Overall Height:
4.88
Overall Width:
4.45
Mounted Length:
8.00
Bore Size:
1.00
Notes
Pushrod and pushrod dust boot not included.
Aluminum Master Cylinder
VIDEO
Aluminum Master Cylinder

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Details

Reviews (2)

Q & A (6)

What's in the Box

Info

If you are wanting to save some weight and still use the GM style master cylinder, this is the ticket. This unpolished aluminum master cylinder has a 1" bore, 3/8"-24 IFF outlets on both sides, and can be used with manual or power brakes. 

Pushrod NOT included. Accomodates mount studs from 3" center-to-center minimum to 3-1/4" center-to-center maximum.

Learn more about selecting the proper master cylinder for your vehicle by reading our tech article, Brake System Selection.

Notes

  1. Cylinder bore is also aluminum.
  2. Plug two of the four 3/8"-24 outlets not being used (plugs included).

Customer Reviews

Rated 5 out of 5 by 2 reviewers.
RATING BREAKDOWN
2 reviews
5 Stars
2
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
0
RECOMMEND THIS PRODUCT:

Duke
Verified Purchaser
Ocranside, CA

Light and attractive

January 28, 2012
I had a cast iron master cylinder that worked well. What I did not like was the weight and the fact it started to rust a week after the installation. This puchase solves both concerns, and it well finished to boot. It performs as capably as the cast iron MC, and you won't have to apologize for the iron oxide.
Yes, I recommend this product.
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55 belair
martinsville,va.

Great Product

July 02, 2011
Put it on my 1955 Chevy.Used it with the ss brake booster 910-31460 cut weight of total unit in half.Great product its the only way to go.
Pros:
  • Easy To Install
  • Lightweight
Yes, I recommend this product.
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Page 1 of 1

Product Q&A

6 questions : 6 answers

1 answers

Is this master cylinder be used on a rear disc brake conversion?

Eric
Lincoln
March 02, 2011

Is this master cylinder be used on a rear disc brake conversion?

Answers

March 08, 2011
Waymon
Yes, this aluminum master cylinder can be used with a rear disc brake conversion.
1 answers

What type pushrod is compatible with this master cylinder? What PNs that you sell work with it?

Bob
July 26, 2011

What type pushrod is compatible with this master cylinder? What PNs that you sell work with it?

Answers

July 27, 2011
Jason
Part number 91631946 is the suggested push rod
1 answers

Will this master cylinder take internal residual pressure valves, or do I have to use seperate ones. i was looking for a cleaner looking install

June 06, 2011

Will this master cylinder take internal residual pressure valves, or do I have to use seperate ones. i was looking for a cleaner looking install

Answers

June 10, 2011
John
This aluminum master cylinder does NOT come with internal residual valves. There are some original GM style master cylinders that came with built in residual valves and if the valves were obtainable could possibly be used. They were simple brass or aluminum valves that went in the hole at the base of the reservoir that fed the piston cavity. In street rod use where one of the internal valved master cylinders were in use there were some problems and concerns and in the majority of the time the little valves were simply removed by grabbing with a pair of needle nosed pliers and pulled out. Problems were incorrect residual pressure for the application needed. You may want to check with manufacturers to see if the valves are available and the size hole they fit and also nearest vendor if available. Speedway does not currently offer internal residual valves because of the many variables involved.
1 answers

Do you have these with 1 1/8" bore?

Hot Rod Builder
June 05, 2011

Do you have these with 1 1/8" bore?

Answers

June 06, 2011
Jason
Sorry, we only offer 1" for this master cylinder
1 answers

Can this Master Cylinder be used with a disc/disc setup?

Milwaukee,WI
May 24, 2011

Can this Master Cylinder be used with a disc/disc setup?

Answers

June 02, 2011
John
This aluminum master cylinder is 1” bore and will work with four wheel drum, disc/drum, or 4 wheel disc. Difference would be noted by pedal travel requirement and a 4 wheel disc set up will require more pedal travel than 4 wheel drum. To go to a larger bore master cylinder would require substantially more pedal pressure requirement and normally not recommended without the addition of a power booster.
1 answers

Is this Master the deep or shallow bore type. In that, does it use the long or short pushrod. I see the part you suggest for a pushrod (91631946) so I'm assuming its the deep style? Is a shallow style available?

mark
Canada
April 23, 2016

Is this Master the deep or shallow bore type. In that, does it use the long or short pushrod. I see the part you suggest for a pushrod (91631946) so I'm assuming its the deep style? Is a shallow style available?

Answers

April 25, 2016
Eric
Expert
This master cylinder is a deep style for use with a brake booster but it comes with a slug to convert it to a shallow style so that it can be used with a manual pedal assembly also.
Page 1 of 1

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