Part # 91031411
Dual 7 Inch Brake Booster Master Cylinder Combo, 1 Inch Bore
by
Speedway Motors20 Reviews
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20 Questions
- Compact 7" diameter booster allows for installation under the floor or on a firewall of almost any vehicle
- Dual diaphragm booster design increases booster performance especially on lower vacuum engines
- 1" bore dual outlet master cylinder effectively operates modern disc brake systems
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$252.99
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Product Summary
Universal Fit, Disc/Drum Brake System Type
- Compact 7" diameter booster allows for installation under the floor or on a firewall of almost any vehicle
- Dual diaphragm booster design increases booster performance especially on lower vacuum engines
- 1" bore dual outlet master cylinder effectively operates modern disc brake systems
- 3/8"-24 IFF outlets on the master cylinder allows common 3/16" brake lines to connect directly to it without the need for adapters
- All new components for long life and hassle free braking
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Key Specs
| MFG. Part # | 91031411 |
| Brand | Speedway Motors |
| Brake System Type | Disc/Drum |
| Brake Booster Diameter | 7 Inch |
| Master Cylinder Material | Steel |
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Details
Compact 7" dual diaphragm booster assembly for installation under floor or on firewall of almost any vehicle. Cast iron master cylinder has a 1" bore and is suited for disc-disc or disc-drum combinations.
Master cylinder features two 3/8"-24 inverted flare ports on each side (plugs are included for ports not in use).
Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.
Specs
- Pushrod-to-mounting flange is 5-1/2"
- Four bolts on 3-3/8" centers
- 5" thick from master cylinder mount to firewall face
- 4" long firewall mount face to end of pushrod
- Pushrod stud is 3/8" fine thread
- (4) qty 3/8"-24 outlet ports (2 plugs included)
- 8" from mount to outer edge
Specifications
Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91031411 |
| Brand | Speedway Motors |
| Brake System Type | Disc/Drum |
| Brake Booster Diameter | 7 Inch |
| Master Cylinder Material | Steel |
| GENERAL | |
| Brake Booster Type | Vacuum Diaphragm Dual |
| Outlet Count | Tandem/Both Sides |
| Outlet Fitting | 3/8"-24 (4) |
| Master Cylinder Bore Size | 1 Inch |
| Brake Booster Material | Steel |
| Overall Length | 13.25" |
| Master Cylinder Port Sizes | 3/8"-24 IFF |
| Bolt Hole Pattern | 3.38" x 3.38" |
| Centerline of Holes | 3.38" |
| Reservoir Included | Yes |
| Sold in Quantity | Kit |