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!