|Convert your truck to power brakes with our bolt-on power brake booster kit,master cylinder and pedal assembly. May require tubular transmission mount or the need to modify your original crossmember. Kit includes new 7" power brake booster, new master cylinder,frame mount pedal assembly. Existing brake lines will need to be modified. Does not come with the proportioning valve so you can purchase the one you need for your application. Use pedal pad 71-945 with this unit.