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$269.99
Single Diaphragm Chrome Booster Master Cylinder Combo

Single Diaphragm Chrome Booster Master Cylinder Combo
Universal Fit, Vacuum Diaphragm Single Brake Booster Type, 7 Inch Brake Booster Diameter
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Single Diaphragm Chrome Booster Master Cylinder Combo
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We estimate this item will ship on or before February 15th.
Part # 91031451
$269.99
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- These show-quality brake combos come with a 7" single diaphragm chrome plated steel booster and a chrome master cylinder
- Master Cylinder has a 1" bore and dual 3/8"-24 IFF outlets (on both sides)
- New single diaphragm booster measures 7" in diameter and is the smallest size offered which fits well in tight spaces
- Booster has four bolts on 3 3/8" centers which fits a variety of mounting brackets and pedal assemblies
- Assembled length is 12" from booster mount flange to the end of the master cylinder
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Details
Brake Booster Type:
Vacuum Diaphragm Single
Brake Booster Diameter:
7 Inch
Outlet Fitting:
3/8"-24 (4)
Master Cylinder Material:
Steel
Master Cylinder Finish:
Chrome
Master Cylinder Bore Size:
1 Inch
Brake Booster Material:
Steel
Brake Booster Finish:
Chrome
MFG. Part #:
91031451
Overall Length:
12.00"
Master Cylinder Port Sizes:
3/8-24
Bolt Hole Pattern:
3.38" x 3.38"
Centerline of Holes:
3.38"
Reservoir Included:
Yes
Sold in Quantity:
Kit
Notes:
Chrome finish on both master cylinder and booster.
Info
These show-quality brake combos come with a 7" single diaphragm chrome plated steel booster and a chrome master cylinder with a 1" bore and dual 3/8"-24 IFF outlets (on both sides). Includes plugs for unused ports.
Suitable for use with front disc/rear drum brake systems.
Booster Tech Tip (GIF)
Brake System Builder's Tip (Link)
Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.
Notes
Specs
- 3-3/4" thick from master cylinder mount face to firewall mount face
- 4" long firewall mount face to end of pushrod
- Booster mounts to bracket or body with four bolt square pattern on 3-3/8" centers
- Pushrod stud is 3/8" fine thread
- Master cylinder studs are two 3/8" coarse studs across from each other on 3-3/8" centers
- Opening of booster on master cylinder side for master cylinder snout or flange to fit into is 1.620"
- Booster is 3-3/4" thick from mounting surface to mounting surface for master cylinder
- Shaft coming out of booster for attachment to pedal arm is 3/8" fine thread
- Outside diameter is 7"
Important Messages
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations
What's In The Kit
Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
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Speedway Single Diaphragm Power Brake Booster, 7 Inch, Chrome FinishPart # 91031450Qty x 1
-
Chrome Power Brakes Master CylinderPart # 91031446Qty x 1
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