Pontiac 400 – Sanderson Headers https://sandersonheaders.com Sanderson Headers. The source for top quality exhaust headers for street rods, muscle cars, and customs. Proudly Made in the USA Sat, 29 Mar 2025 22:21:33 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.3 https://sandersonheaders.com/wp-content/uploads/2023/05/cropped-favicon2-32x32.jpg Pontiac 400 – Sanderson Headers https://sandersonheaders.com 32 32 PF1 Header Set, Pontiac Firebird, 389-400 https://sandersonheaders.com/product/pf1-header-set-pontiac-firebird-389-400/ https://sandersonheaders.com/product/pf1-header-set-pontiac-firebird-389-400/#respond Mon, 05 Jun 2023 03:23:17 +0000 https://sandersonheaders.com/?post_type=product&p=10780 The PF1 header set fits 1967-69 Pontiac Firebird applications using the 389 or 400 Pontiac V8 engine. The PF1 offers excellent fit and noticeable performance gains. The PF1 is offered in two flange styles, either the standard OE-style D-port (center two ports) or the aftermarket (round port) cylinder head design.

Includes all hardware necessary for installation.

SPECIFICATIONS:

Engine: Pontiac 389/400 V8
Primary Tube Diameter: 1-5/8″
Collector Diameter: 2-1/2″

FEATURES:

  • 16-Gauge Primary and Collector Tube Thickness
  • 3/8″ Thick Flange
  • Patented Flange Design Requires NO Gaskets
  • Tightest Fitting Header Available Anywhere!
  • Made in the USA

INCLUDES:

  • Header Bolt Set
  • Collector Reducer Set

FINISH:

Our Ceramic Coating is recommended for every vehicle application and is the default finish selection choice above. To meet high standards of quality, We apply a multi-layer inside and outside aluminized ceramic coating in-house and then polish the coating to a high luster. This aerospace and military-grade technology adds excellent protection to your headers while offering the benefit of thermal control in your engine bay. It also improves cylinder scavenging of exhaust gases and increases the longevity of your header investment.

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