63-66 A-body / Small Block Headers
Recommended for 320-575 horsepower
Early A-body headers by TTI are 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.
Our popular "STEP" design headers provide low-end response and top-end horsepower gain. When coupled with a TTI Exhaust System, these headers become even more efficient.
1-5/8" O.D. primary tubes / steps up to 1-3/4" O.D. secondary tubes / merged into 3" collectors
3/8" thick laser-cut header and collector flanges, contoured for a leak free fit
Above the steering center link design (under chassis) offers maximum header to ground clearance
Full length header design for proven power gains
One piece header tubes / No slip tubes
Header Sets Include: 1/16" Header & Collector Gaskets, Header Bolts (12pcs) and Reducers/Adapters for hook-up to your Exhaust System.
1963-1966 "A"- bodies
|63-66 "A"-body Headers||
(Click on number to open footnote)
318 / 340 / 360 A-engines
OEM, Edelbrock Magnum or Performer RPM
|Starters||Listed Starters only|
|Flywheel / Bellhousing||9" or 10.5"|
|Steering Linkage||OEM only|
|Clutch Linkage||OEM only|
|Oil Filters||90° Angle Adapter or a Remote Mount|
|Oil Pans||OEM or Milodon|
|Valve Covers||OEM or Cast Aluminum|
Small Block Step Headers 63-66 A-body
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63-66 A-body / Small Block Headers for OEM, Edelbrock Magnum or Performer RPM heads
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