Since 1952
America's Oldest Speed Shop ®
Speedway Motors Bill Smith

Single 7 Inch Brake Booster Master Cylinder Combo, 1 Inch Bore

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Specs
Centerline of Holes:
3.38
Material Type:
Steel
Overall Length:
11.75
Sold in Quantity:
Kit
Outside Diameter:
7.00
Bore Size:
1.00
Outlet Fitting:
3/8"-24 (4)
Bolt Hole Pattern:
3.38" x 3.38"
Garage Sale:
No

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Please NOTE the following about this product:

  • This item is sold as a kit.

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What's in the Box

Compact for installation under floor or on firewall of almost any vehicle. Booster measures only 7" in diameter. 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
  • Booster is 3.75" thick
  • Master cylinder combo is 11.875" from end of the master cylinder to the firewall
  • (4) qty 3/8"-24 outlet ports (2 plugs included)
  • 8" from mount to outer edge

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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

Single 7 Inch Brake Booster Master Cylinder Combo, 1-1/8 Inch Bore
                        Compact for installation under floor or on firewall of almost any vehicle. Booster measures only 7" in diameter. Cast iron master cylinder has a 1-1/8" bore and is suited for disc-disc or disc-drum combinations. 

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Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection

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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. 

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Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.

Universal Frame Rail Power Brake Pedal Mount
                        
  • Mounting bracket sets off frame rail 2 inches for clearance 
  • Push rod center is 4 inches from frame rail mounting bracket
  • Uses standard GM booster with 4 bolt mounting holes, 3-3/8" centers
  • 10-1/2" tall brake pedal arm with clevis and push rod
  • Pedal arm has 1/2" hole for pedal pad.
  • Mounting hardware included