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Leed Brakes

LEED Brakes Master Cylinder and Brake Booster Combos 4L6B4 7 in. Booster, Chrome, Firewall Mount, Dual Bowl Cylinder, Aluminum, Chrome, Non-Adjustable Proportioning Valve, Disc/Disc, Kit

SKU: LEB4L6B4

Master Cylinder and Brake Booster Assemblies
LEED Brakes Master Cylinder and Brake Booster Combos 4L6B4 7 in. Booster, Chrome, Firewall Mount, Dual Bowl Cylinder, Aluminum, Chrome, Non-Adjustable Proportioning Valve, Disc/Disc, Kit

Leed Brakes

LEED Brakes Master Cylinder and Brake Booster Combos 4L6B4 7 in. Booster, Chrome, Firewall Mount, Dual Bowl Cylinder, Aluminum, Chrome, Non-Adjustable Proportioning Valve, Disc/Disc, Kit

SKU: LEB4L6B4

Master Cylinder and Brake Booster Assemblies
A$1,175.00
LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. 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

7in Dual Chrome Booster

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

Specifications

Product Attributes - Brand
Leed Brakes
Product Attributes - Manufacturer's Part Number
4L6B4
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
887753626882
Product Attributes - Master Cylinder Bore Size
1.125 in.
Product Attributes - Master Cylinder Stroke
1.312 in.
Product Attributes - Bowl Design
Dual
Product Attributes - Master Cylinder Material
Aluminum
Product Attributes - Master Cylinder Finish
Chrome
Product Attributes - Reservoir Included
Yes
Product Attributes - Reservoir Material
Aluminum
Product Attributes - Reservoir Color
Chrome
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.)
7.00 in.
Product Attributes - Brake Booster Material
Steel
Product Attributes - Brake Booster Color
Chrome
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/disc brake setups.

Reference Information

Brand Name/s Leed Brakes
StreetFX SKU leb4L6B4
SFX Item ID 5156033
Supplier Item Code 5156033
Manufacturer SKU 4L6B4
Manufacturer UPC 887753626882
Alternative References LEE4L6B4

Compatibility

Application Data
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1955
    Ending Year1957
    Engine TypeV8
    Liter4.3
    CID265
    CC4343
    Engine FamilyChevy small block Gen I
    Engine Size4.3L/265
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1955
    Ending Year1962
    Engine TypeL6
    Liter3.8
    CID235
    CC3852
    Engine FamilyGM inline 6-cylinder
    Engine Size3.8L/235
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1957
    Ending Year1967
    Engine TypeV8
    Liter4.6
    CID283
    CC4638
    Engine FamilyChevy small block Gen I
    Engine Size4.6L/283
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1958
    Ending Year1961
    Engine TypeV8
    Liter5.7
    CID348
    CC5704
    Engine FamilyChevy big block W-engines
    Engine Size5.7L/348
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1959
    Ending Year1959
    Engine TypeV8
    Liter5.3
    CID322
    CC5272
    Engine FamilyBuick V8
    Engine Size5.3L/322
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1959
    Ending Year1960
    Engine TypeL6
    Liter4.3
    CID261
    CC4278
    Engine FamilyGM inline 6-cylinder
    Engine Size4.3L/261
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1960
    Ending Year1960
    Engine TypeL6
    Liter3.9
    CID236
    Engine FamilyGM inline 6-cylinder
    Engine Size3.9L/236
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1961
    Ending Year1965
    Engine TypeV8
    Liter6.7
    CID409
    CC6704
    Engine FamilyChevy big block W-engines
    Engine Size6.7L/409
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1962
    Ending Year1968
    Engine TypeV8
    Liter5.3
    CID327
    CC5358
    Engine FamilyChevy small block Gen I
    Engine Size5.3L/327
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1963
    Ending Year1963
    Engine TypeV8
    Liter7.0
    CID427
    CC6997
    Engine FamilyChevy big block W-engines
    Engine Size7.0L/427
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1963
    Ending Year1965
    Engine TypeL6
    Liter3.8
    CID230
    CC3769
    Engine FamilyGM inline 6-cylinder
    Engine Size3.8L/230
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1965
    Ending Year1968
    Engine TypeL6
    Liter4.1
    CID250
    CC4097
    Engine FamilyGM inline 6-cylinder
    Engine Size4.1L/250
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1965
    Ending Year1968
    Engine TypeL6
    Liter4.1
    CID250
    CC4098
    Engine FamilyGM inline 6-cylinder
    Engine Size4.1L/250
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1965
    Ending Year1968
    Engine TypeV8
    Liter6.5
    CID396
    CC6489
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1966
    Ending Year1968
    Engine TypeV8
    Liter7.0
    CID427
    CC6998
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1968
    Ending Year1968
    Engine TypeV8
    Liter5.0
    CID307
    CC5031
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/307
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBEAUVILLE
    Beginning Year1955
    Ending Year1956
    Engine TypeL6
    Liter3.8
    CID235
    CC3852
    Engine FamilyGM inline 6-cylinder
    Engine Size3.8L/235
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelBEAUVILLE
    Beginning Year1955
    Ending Year1956
    Engine TypeV8
    Liter4.3
    CID265
    CC4343
    Engine FamilyChevy small block Gen I
    Engine Size4.3L/265
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelNOMAD
    Beginning Year1955
    Ending Year1957
    Engine TypeL6
    Liter3.8
    CID235
    CC3852
    Engine FamilyGM inline 6-cylinder
    Engine Size3.8L/235
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelNOMAD
    Beginning Year1955
    Ending Year1957
    Engine TypeV8
    Liter4.3
    CID265
    CC4343
    Engine FamilyChevy small block Gen I
    Engine Size4.3L/265
  • MakeCHEVROLET
    ModelBEL AIR
    SubmodelNOMAD
    Beginning Year1957
    Ending Year1957
    Engine TypeV8
    Liter4.6
    CID283
    CC4638
    Engine FamilyChevy small block Gen I
    Engine Size4.6L/283
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1958
    Ending Year1961
    Engine TypeV8
    Liter5.7
    CID348
    CC5704
    Engine FamilyChevy big block W-engines
    Engine Size5.7L/348
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1958
    Ending Year1962
    Engine TypeL6
    Liter3.8
    CID235
    CC3852
    Engine FamilyGM inline 6-cylinder
    Engine Size3.8L/235
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1958
    Ending Year1967
    Engine TypeV8
    Liter4.6
    CID283
    CC4638
    Engine FamilyChevy small block Gen I
    Engine Size4.6L/283
  • MakeCHEVROLET
    ModelBISCAYNE
    SubmodelBASE
    Beginning Year1960
    Ending Year1960
    Engine TypeL6
    Liter3.9
    CID236
    Engine FamilyGM inline 6-cylinder
    Engine Size3.9L/236

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