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#UP229067
8" DUAL DIAPHRAM BOOSTER
- Blemished
- Item has cosmetic imperfections such as scuffs, dents, bends, or similar marks. The item functions as originally intended but is discounted due to these blemishes. Please review the photos and description for more information
- Compact for installation under floor or on firewall of almost any vehicle
$91.03
/each
In Stock
$160.99
Save $69.96
Order soon, only 1 left in stock!
Item has cosmetic imperfections such as scuffs, dents, bends, or similar marks. The item functions as originally intended but is discounted due to these blemishes. Please review the photos and description for more information.
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Product Summary
5.25" Overall Thickness, 8" Outside Diameter, Steel
- Blemished
- Item has cosmetic imperfections such as scuffs, dents, bends, or similar marks. The item functions as originally intended but is discounted due to these blemishes. Please review the photos and description for more information
- Compact for installation under floor or on firewall of almost any vehicle
- NEW dual diaphragm booster measures 8" in diameter
- Booster mounts with four bolts on 3-3/8" centers
- Master cylinder studs measure 3-3/8" on center
- Booster measures 5-1/4" thick from mount surface to mount surface
Key Specs
| MFG. Part # | UP229067 |
| Garage Sale Type | Blemished |
| Outside Diameter | 8" |
| Material Type | Steel |
| Finish | Zinc |
Need To Know
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855.313.9176Ineligible for Return
Contains items that cannot be returned
Speedway Motors UP229067 Details
Speedway Motors UP229067 Details

This is Garage Sale priced due to cosmetic imperfections. The item functions as originally intended but is discounted due to the blemishes. The photos above will show the imperfections.
NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS
Compact, 8" diameter for installation under floor or on firewall of almost any vehicle. Zinc chromate finish.
- 3-3/8" Bolt Pattern (Firewall Side)
- 3-3/8 Center to Center Bolt Hole (Master cylinder Side)
- Uses adjustable pin
- Great for installs on GM A, F, X, Body Cars with Big Blocks or Engines with tall headers
Learn more about the proper uses of residual valves by reading our tech article.Brake System Selection.
Charts
Booster Tech Tip (GIF)
Specs
- 8" O.D.
- 5-1/8" main body length
- 10-1/2" overall length
- Back of the booster to the end of the threaded plunger rod is 4-1/8"
- Firewall mounting studs are ¾" long at 3-3/8" center-to-center
- Front master cylinder studs are 1-1/8" long at 3-3/8" center to center
Speedway Motors UP229067 Specifications
Speedway Motors UP229067 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | UP229067 |
| Brand | Speedway Motors |
| Garage Sale Type | Blemished |
| Outside Diameter | 8" |
| Material Type | Steel |
| Finish | Zinc |
| GENERAL | |
| Overall Thickness | 5.25" |
| Bolt Hole Pattern | 3.38" x 3.38" |
| Centerline of Holes | 3.38" |
| Rod Length | 4" |
| Brake Booster Type | Vacuum Diaphragm Dual |
| Sold in Quantity | Each |
| Notes | Dual diaphragm booster. |
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