Tuff Stuff 2122NA-2 chrome 7" dual diaphragm brake booster and master cylinder combo. Universal application. This Power Booster is not intended for any specific applications. Most applications will need modifications done for Power Booster to mount properly. Master cylinder is a shallow hole design with a 1" bore. Shallow pushrod hole 1" bore models are often used in power brake disc/drum applications. Has 9/16" and 1/2" ports on the drivers side for ease of brake plumbing. Power Booster and Master Cylinder is Brand New, and tested before shipping. Made in the U.S.A.! Chrome plated in the U.S.A.! Support the American Worker! Just say "no" to China! Tuff Stuff 2122NA-2 chrome 7" dual diaphragm brake booster & master cylinder combo 2122NA-2 We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.