Part # 91031413
Dual 8 Inch Brake Booster Master Cylinder Combo, 1 Inch Bore
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- Compact for installation under floor or on firewall of almost any vehicle
- NEW booster measure 8" in diameter
- Master cylinder has a 1" bore with 3/8"-24 IFF outlets on both sides of the M/C
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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 measure 8" in diameter
- Master cylinder has a 1" bore with 3/8"-24 IFF outlets on both sides of the M/C
- Four bolts on 3 3/8" centers
- Pushrod-to-mounting flange is 5-1/2"
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Key Specs
| MFG. Part # | 91031413 |
| Brand | Speedway Motors |
| Brake Booster Diameter | 8 Inch |
| Master Cylinder Material | Steel |
| Master Cylinder Finish | Natural |
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Details
Details
Compact 8" 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
- 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 # | 91031413 |
| Brand | Speedway Motors |
| Brake Booster Diameter | 8 Inch |
| Master Cylinder Material | Steel |
| Master Cylinder Finish | Natural |
| 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 |
| Brake Booster Finish | Zinc |
| 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 |