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A-Body 1963-66 1-5/8" x 1-3/4" Step Headers

1-5/8" O.D. primary tubes steps up to 1-3/4" secondary tubes with 3" 3-bolt collectors

◦ Recommended for 320-575 horsepower

◦ Above the steering center link design (under chassis) offers maximum header to ground clearance

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

◦ Full length header design for proven power 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!

◦ 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.

Applications: 63-66 A-body

Engine Size: 273, 318, 340, 360

1-5/8" x 1-3/4" Small Block Step Headers
Fits: 1963-66 A-body, Raw
$862.99
1-5/8" x 1-3/4" Small Block Step Headers
Fits: 1963-66 A-body, Ceramic Coated w/Thermal Barrier
$1,043.99
1-5/8" x 1-3/4" Small Block Step Headers
Fits: 1963-66 A-body, Polished Ceramic Coated w/Thermal Barrier
$1,079.99
1-5/8" x 1-3/4" Small Block Step Headers (273-318)
Fits: 1963-66 A-body, Ceramic Coated w/Thermal Barrier
$1,113.00
1-5/8" x 1-3/4" Small Block Step Headers (273-318)
Fits: 1963-66 A-body, Polished Ceramic Coated w/Thermal Barrier
$1,148.00