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.

• Fits Applications: 

  • 1963-1966 "A"-bodies

Coating Options / Header Part No's:

 Prices do not include Shipping, Handling or California Sales Tax, if applicable.  Prices subject to change without notice.

 

Click an image for a detailed view

LH view	RH view	Pre-bent Header Adapter kit Footnote:  16	Header Gasket #GA-HG21-340	(.PDF)
Pic 1	Pic 2	Pic 3	Crossmember (Modification Required)