The FF9 header set fits 1973-79 sixth-generation Ford F-series pickup truck applications using a small block Ford 221-351W engine. The FF9 offers excellent spark plug and ground clearance while providing performance gains over factory exhaust manifolds.
- The FF9 is not compatible with GT40-P cylinder heads!
- When ordering, select the correct engine group (221-302 vs. 351w).
- Compatible with automatic and manual transmission applications, including AOD
Includes all hardware necessary for installation.
SPECIFICATIONS:
Engine: Small Block Ford 221-302, 351W V8
Primary Tube Diameter: 1½”
Collector Diameter: 2½”
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.



Limited 5-Year General Warranty






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