Leed Brakes power booster assemblies are shipped fully assembled. This insures proper adjustment of the pushrod between the power booster and master cylinder and proper fitment all valves, lines and brackets for a trouble-free installation.
New 9" slimline direct fit power brake booster, master cylinder & 4 wheel disc proportioning valve combo. This top quality power brake booster is designed mount directly to your factory firewall. This power booster works great as a factory replacement or as an upgrade from manual to power brakes for vehicles with automatic transmissions. Also included in this kits is a new factory style 1" bore master cylinder and proportioning valve equipped to work with 4 Wheel Disc applications. Note: If switching from manual to power brakes a power brake pedal is required.

Application Summary:

Year Make/Model
1967-1970 Ford Mustang
1967-1970 Mercury Cougar
Brake Booster Diameter 9 in.
Brake Booster Finish Black
Brake Booster Included Yes
Brake Booster Type Single Diaphragm
Brake Lines Included From Master Cylinder to Valve
Brake Pedal Included Yes
Brake Pedal Pushrod Included Yes
Brake Pedal Type Automatic Transmission
California Proposition 65 Yes
Country of Origin (Primary) CN
Emission Code Legal US
GTIN 00887753626042
Hazardous Material Code N
Life Cycle Status Code Available to Order
Master Cylinder Bore Size 1 in
Master Cylinder Finish Natural
Master Cylinder Included Yes
Master Cylinder Material Cast Iron
NAFTA Preference Criterion Code D
Prop 65 (C, R or CR) CR
Prop 65 - Short Label WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
Prop 65 Warning Label Prop 65 sticker web use.png
Prop 65 Yes/No Yes
SDR Required Flag N
SDS Sheet Number N/A
Status Existing
Warranty Time 12

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LEED Brakes 03473PA 9 in Power Brake Booster 1 in bore Master Cylinder disc/disc Auto

Product Information

  • $349.95

The AAM Group™ Proposition 65
Proposition 65 warning graphic (For California Residents)
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov