order by phone
or online

1(800) 421-8455

SD-1ALUM D-Port 421 Super Duty Factory Headers

Be the first to review this product

Availability: In stock

$1,399.00

Quick Overview

Pair LH and RH 421 SD D-port Manifolds (pair manifolds only)


Aluminum 421 SD manifolds from original pontiac tooling. Hi heat alloy aluminum. Ceramic coating recommended.


Two versions available A-all D-port heads; B for 63 SD "980" head only.


Fits 61-63 B-body


Miniature starter or upside down starter is required.


Collectors are required for each manifold.


OPTIONAL CERAMIC COATING:

Thermal barrier ceramic coating on interior and exterior. Choice of Silver or Gray. 3-year Guarantee. Will not burn off, fade or peel. Reduces header temperature 40%! Silver is chrome-like. Gray looks stock.


* Required Fields

$1,399.00

SD-1ALUM D-Port 421 Super Duty Factory Headers

Double click on above image to view full picture

Zoom Out
Zoom In

More Views

Details

Pair LH and RH 421 SD D-port Manifolds (pair manifolds only)

Aluminum 421 SD manifolds from original pontiac tooling. Hi heat alloy aluminum. Ceramic coating recommended.

Two versions available A-all D-port heads; B for 63 SD "980" head only.

Fits 61-63 B-body

Miniature starter or upside down starter is required.

Collectors are required for each manifold.

OPTIONAL CERAMIC COATING:
Thermal barrier ceramic coating on interior and exterior. Choice of Silver or Gray. 3-year Guarantee. Will not burn off, fade or peel. Reduces header temperature 40%! Silver is chrome-like. Gray looks stock.

Additional Information

Manufacturer No

Product Tags

Use spaces to separate tags. Use single quotes (') for phrases.