Part # 91031412
Dual 7 Inch Brake Booster Master Cylinder Combo, 1-1/8 Inch Bore
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- Compact for installation under floor or on firewall of almost any vehicle
- NEW booster measures 7" in diameter
- Master cylinder has a 1 1/8" bore with 3/8"-24 IFF outlets on both sides of the master cylinder
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Product Summary
Universal Fit, Vacuum Diaphragm Dual Brake Booster Type
- Compact for installation under floor or on firewall of almost any vehicle
- NEW booster measures 7" in diameter
- Master cylinder has a 1 1/8" bore with 3/8"-24 IFF outlets on both sides of the master cylinder
- Booster bolt pattern is four bolts on 3 3/8" centers which fits a variety of brackets and pedal assemblies
- New parts make installation cleaner and easier
Comes as a Kit
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Key Specs
| MFG. Part # | 91031412 |
| Brand | Speedway Motors |
| Brake Booster Diameter | 7 Inch |
| Master Cylinder Material | Steel |
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Need To Know
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Details
Details
Compact 7" dual diaphragm booster assembly for installation under floor or on firewall of almost any vehicle. Cast iron master cylinder has a 1-1/8" 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 # | 91031412 |
| Brand | Speedway Motors |
| 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 | 1-1/8 Inch |
| Brake Booster Material | Steel |
| Overall Length | 13.50" |
| 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 |
| Notes | 9103190 STEEL PORT PLUG KIT. |