Dual Diaphram/Reservoir Brake Booster and Master- FJ40

This Brake Booster & Master Kit is what you will need when installing a rear disk brake conversion kit or when your current stock brake systems fails...your booster leaks vacuum or your master cylinder just plain leaks. Proportioning valve, bracket, and lines included! Designed for a disk brake front end and drum brake rear end. **New Standard inverted nuts will be required for this master cylinder.(do not use old metric inverted nuts)