2-1/8" LD Step Headers

2" O.D. primary tubes steps up to 2-1/8" secondary tubes with 3-1/2" 3-bolt collectors

� Recommended for 600+ horsepower

� Above the steering center link design offers maximum header to ground clearance

� One piece header tubes / No slip tubes

� "Step" design provides low-end response and top-end horsepower gain

� 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!

Platform: 1967-76 A-body, 1962-74 B-body & 1970-74 E-body

383-400 B-engines

B1BS Sportsman, Brodix B1BS, Koffel's Original B1, Indy-440SR or Indy-440-1 cylinder heads.

Applications with Edelbrock Victor, Procomp or Stage 6 cylinder heads, use header #TTi400SR-218.

440 RB-engines, 413-426 Wedge

Bulldog, Edelbrock E-Street, Edelbrock Performer RPM or Indy-EZ cylinder heads.

440-RB applications: Headers clear angled spark plugs only. Cylinder heads with a straight plug design, use header #TTi440-200.

Note: Cylinder head must be stated when ordering.