Master Cylinder and Booster - 1.125 in Bore - Dual Integral Reservoir - 7 in OD - Single Diaphragm - Proportioning Valve - Steel - Gold Zinc Plated - GM A-Body 1955-68 - Kit Brand-LEED BRAKES MPN 3K105 . **NOTE: Truck Freight NO
Proposition 65: These products may contain a chemical known to the state of California to cause cancer and birth defects or other reproductive harm. For more details visit https://www.p65warnings.ca.gov/