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Return to Parts List Category : T- TTI Headers & Exhaust Parts TTI 318C-C3 EXTERIOR POLISHED CERAMIC POLISHED CERAMIC COATED (EXTERIOR) 65-66 C-BODY $947.00 For those of you who cherish the old poly head engines, TTi offers a header for your wide block, old style 318 poly 1-3/4" O.D. tubes with 3" 3-bolt collectors Recommended for 320-550 horsepower Above the steering center link design offers maximum header to ground clearance One piece header tubes / No slip tubes Constructed of 16 gauge mild steel tubing Mandrel bent on sophisticated computer controlled bending machines for precise fit and uninterrupted exhaust flow. The mandrel bending process maintains a constant inside diameter of the tube for a smoother finish with no restriction of flow and no crimping of the tubes. 3/8" thick laser-cut header flanges contoured for a leak free fit 3/8" thick laser-cut 3-bolt collector flanges Coupled with a TTi Exhaust Systems these headers become even more efficient! Due to the numerous engine configurations and suspension combinations, TTi cannot ensure headers and exhaust to fit all combinations, however, we have done our best to accommodate both factory and aftermarket component combinations.  e.g. Engine blocks, cylinder heads, starters, valve covers, etc. ***REQUIRED ***  You must provide all of the information requested on the order sheet in the comments section of your order or print a copy of it and send it in with your order.             CLICK HERE FOR TTI ORDER SHEET. E-mail:info@hughesengines.com Fax: 309-296-9990  Polished Ceramic Coated (Exterior) An appealing silver high-luster finish applied to the steel surface to protect against rust, corrosion and withstands temperatures up to 1200°F. Exceeding this temperature will result in discoloration of the header tubes.