Sanderson FF391-P Block Hugger Headers Ford FE 352-428 1965-Up

The Sanderson FF391-P is a block hugger style header set engineered specifically for Ford FE big block engines (332-428 cubic inch) in 1965-and-later Ford and Mercury full-size passenger cars. This hand-assembled header set features Sanderson's patented leak-free flange design for superior sealing and performance.

Key Features:

• 1-3/4 inch primary tubes for optimal exhaust flow
• 3 inch collectors
• 16-gauge steel primary and collector tube construction
• Precision laser-cut flanges machined from 3/8 inch thick steel plate
• Patented raised flange design eliminates the need for gaskets
• Natural steel finish (uncoated)
• Includes all necessary hardware and collector reducers
• Made in the USA

Fitment:

• Fits 1965-Up Ford and Mercury full-size cars including Galaxie, LTD, Mercury Meteor, and Mercury Monterey
• Compatible with Ford 332, 352, 360, 390, 427, and 428 FE engines
• Does NOT fit Fairlane or MEL (Mercury-Edsel-Lincoln) engines
• 16-bolt flange option available for Cobra Jet (CJ) or GT cylinder heads

Installation Notes:

• Requires disconnecting passenger side idler arm and power steering during installation
• Mini-starter recommended and may be required for proper clearance
• Do not use flange gaskets—apply Permatex Ultra Black silicone sealer instead
• Backed by Sanderson's limited 5-year warranty

With over 50 years of American manufacturing expertise, Sanderson Headers deliver one of the tightest engine block fits available. The FF391-P provides excellent performance for street applications while maintaining proper ground clearance in full-size chassis applications.