ACDelco Professional Brake Master Cylinders use both aluminum and iron castings, making them a high quality replacement for many vehicles on the road today. These master cylinders contain both Ethylene Propylene (EPDM) and Styrene Butadiene (SBR) rubber components to provide superior resistance to heat, corrosion, and leakage. ACDelco Professional Brake Master Cylinders are ready to bench bleed and install right out of the box - no assembly required. These premium aftermarket replacement brake master cylinders are manufactured to meet your expectations for fit, form, and function.

• Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and quality
• Pressure tested to ensure safe and confident braking
• Cast iron and aluminum specifications; no extra stress on the brake boosting mounting
• Geometrical tolerance ensures that the body and plastic reservoir match for a proper fit
• Piston assembly and return spring help to prevent brake drag, which can cause premature brake pad wear

Bleeder Hoses Included:	Yes
Bore Size:	1.125
Brake Booster Included:	No
Height (in):	4.8
Length (in):	9.4
Master Cylinder Bore Diameter:	1.125
Master Cylinder Bore Diameter:	28.575
Master Cylinder Cap Included:	Yes
Master Cylinder Material:	Aluminum
Mounting Bracket Included:	No
Mounting Hole Diameter:	0.413
Mounting Hole Quantity:	2
Port Quantity:	2
Primary Outlet Thread Diameter:	0.708
Primary Outlet Thread Diameter:	18
Programming Required:	No
Push Rod Included:	No
Reservoir Included:	Yes
Secondary Outlet Thread Diameter:	0.5625
Secondary Outlet Thread Diameter:	14.287
Weight (lb):	4.17
Width (in):	5.8

• 1987-1991 Ford E-350 Econoline
• 1987-1991 Ford E-350 Econoline Club Wagon
• 1987 Ford F-350
• 1994-1996 Ford E-350 Econoline
• 1994-1996 Ford E-350 Econoline Club Wagon
• 1990-1992 Ford F-350
• 1994-1995 Ford F-350
• 1994-1996 Ford F-250