The Right Stuff 1958-70 GM Car/Truck Dual Reservoir Master Cylinder - (DBMC09) is a high-quality brake part designed specifically for GM vehicles from 1958 to 1970. This master cylinder, with the OE/OEM part number DBMC09, comes backed by the trusted brand of The Right Stuff, ensuring reliability and performance for your vehicle's braking system. The dual reservoir design provides added safety and control, making it a standout choice for those looking to enhance their braking system with a trusted and durable component.