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Leed Brakes

LEED Brakes Master Cylinder and Brake Booster Combos 3M1A1 8 in. Booster, Zinc, Firewall Mount, Dual Bowl Cylinder, Cast iron, Natural, Non-Adjustable Proportioning Valve, Disc/Drum, Kit

SKU: LEB3M1A1

Master Cylinder and Brake Booster Assemblies
LEED Brakes Master Cylinder and Brake Booster Combos 3M1A1 8 in. Booster, Zinc, Firewall Mount, Dual Bowl Cylinder, Cast iron, Natural, Non-Adjustable Proportioning Valve, Disc/Drum, Kit

Leed Brakes

LEED Brakes Master Cylinder and Brake Booster Combos 3M1A1 8 in. Booster, Zinc, Firewall Mount, Dual Bowl Cylinder, Cast iron, Natural, Non-Adjustable Proportioning Valve, Disc/Drum, Kit

SKU: LEB3M1A1

Master Cylinder and Brake Booster Assemblies
A$1,086.00
LAST ONE! Est Ship 4-7 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.
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Description

LEED master cylinder and brake booster combos deliver top-quality braking power and are designed to mount directly to your factory firewall. The Leeds brake booster assemblies work great as factory replacements or an upgrade from manual to power brakes. Make your quick stops effective and safe with LEED combo kits!

Part Type

8in Brake Booster Dual 1 -1/8in Bore MC Disc/Drum

Data: v4.2 - Upd: 2026-09-29 07:14:49

Specifications

Product Attributes - Brand
Leed Brakes
Product Attributes - Manufacturer's Part Number
3M1A1
Product Attributes - Part Type
Master Cylinder and Brake Booster Assemblies
Product Attributes - Product Line
LEED Brakes Master Cylinder and Brake Booster Combos
Product Attributes - UPC
887753626615
Product Attributes - Master Cylinder Bore Size
1.125 in.
Product Attributes - Bowl Design
Dual
Product Attributes - Master Cylinder Material
Iron
Product Attributes - Master Cylinder Finish
Natural
Product Attributes - Reservoir Included
Yes
Product Attributes - Reservoir Material
Iron
Product Attributes - Reservoir Color
Natural
Product Attributes - Proportioning Valve Included
Yes
Product Attributes - Master Cylinder Cap Included
Yes
Product Attributes - Brake Booster Type
Vacuum dual diaphragm
Product Attributes - Brake Booster Diameter (in.)
8.00 in.
Product Attributes - Brake Booster Material
Steel
Product Attributes - Brake Booster Color
Zinc
Product Attributes - Brake Pedal Rod Extension Included
Yes
Product Attributes - Mounting Location
Firewall
Product Attributes - Mounting Hardware Included
No
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Includes a non-adjustable proportioning valve. Compatible with disc/drum brake setups.
Product Attributes - Special Attention
Combo includes a side mount proportioning valve.

Reference Information

Brand Name/s Leed Brakes
StreetFX SKU leb3M1A1
SFX Item ID 5156029
Supplier Item Code 5156029
Manufacturer SKU 3M1A1
Manufacturer UPC 887753626615
Alternative References LEE3M1A1

Compatibility

Application Data
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1955
    Ending Year1957
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.3L/265
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1955
    Ending Year1962
    Engine TypeL6
    Engine FamilyGM inline 6-cylinder
    Engine Size3.8L/235
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1957
    Ending Year1967
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.6L/283
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1958
    Ending Year1961
    Engine TypeV8
    Engine FamilyChevy big block W-engines
    Engine Size5.7L/348
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1959
    Ending Year1959
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.3L/322
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1959
    Ending Year1960
    Engine TypeL6
    Engine FamilyGM inline 6-cylinder
    Engine Size4.3L/261
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1960
    Ending Year1960
    Engine TypeL6
    Engine FamilyGM inline 6-cylinder
    Engine Size3.9L/236
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1961
    Ending Year1965
    Engine TypeV8
    Engine FamilyChevy big block W-engines
    Engine Size6.7L/409
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1962
    Ending Year1968
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.3L/327
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1963
    Ending Year1963
    Engine TypeV8
    Engine FamilyChevy big block W-engines
    Engine Size7.0L/427
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1963
    Ending Year1965
    Engine TypeL6
    Engine FamilyGM inline 6-cylinder
    Engine Size3.8L/230
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1965
    Ending Year1968
    Engine TypeL6
    Engine FamilyGM inline 6-cylinder
    Engine Size4.1L/250
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1965
    Ending Year1968
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1968
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1968
    Ending Year1968
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/307
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBEAUVILLE
    Beginning Year1955
    Ending Year1956
    Engine TypeL6
    Engine FamilyGM inline 6-cylinder
    Engine Size3.8L/235
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBEAUVILLE
    Beginning Year1955
    Ending Year1956
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.3L/265
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelNOMAD
    Beginning Year1955
    Ending Year1957
    Engine TypeL6
    Engine FamilyGM inline 6-cylinder
    Engine Size3.9L/235
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelNOMAD
    Beginning Year1955
    Ending Year1957
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.3L/265
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelNOMAD
    Beginning Year1957
    Ending Year1957
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.6L/283
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1958
    Ending Year1961
    Engine TypeV8
    Engine FamilyChevy big block W-engines
    Engine Size5.7L/348
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1958
    Ending Year1962
    Engine TypeL6
    Engine FamilyGM inline 6-cylinder
    Engine Size3.8L/235
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1958
    Ending Year1967
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.6L/283
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1960
    Ending Year1960
    Engine TypeL6
    Engine FamilyGM inline 6-cylinder
    Engine Size3.9L/236
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.
  • UniversalNo
    MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1961
    Ending Year1965
    Engine TypeV8
    Engine FamilyChevy big block W-engines
    Engine Size6.7L/409
    Front Brake TypeDisc
    Rear Brake TypeDrum
    Application NotesCombo includes a side mount proportioning valve.

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