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:	1.250
Brake Booster Included:	No
Height (in):	5.6
Length (in):	11.3
Master Cylinder Bore Diameter:	1.25
Master Cylinder Bore Diameter:	31.75
Master Cylinder Cap Included:	Yes
Master Cylinder Material:	Aluminum
Mounting Bracket Included:	No
Mounting Hole Diameter:	0.433
Mounting Hole Quantity:	2
Port Quantity:	2
Primary Outlet Thread Diameter:	0.5
Primary Outlet Thread Diameter:	12.7
Programming Required:	No
Push Rod Included:	No
Reservoir Included:	Yes
Secondary Outlet Thread Diameter:	0.5625
Secondary Outlet Thread Diameter:	14.287
Weight (lb):	2.6
Width (in):	7.7

• 1996-2002 Chevrolet Express 2500
• 1996-2002 Chevrolet Express 3500
• 1996 Chevrolet G30
• 1996 GMC G3500
• 1996-2002 GMC Savana 2500
• 1996-2002 GMC Savana 3500
• 1997 Dodge Ram 2500
• 1997 Dodge Ram 3500