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- Made of High Quality T-304 Stainless Steel Material
- TIG welded CNC Machined Flanges ; Full Length Headers for Higher Horsepower
- Metal Gasket Included ; 2 X 4-1 Racing Design
- 1-3/4" OD Primaries ; 2-1/2" Slip Fit Collector Diameter
- Increase high flow air, instantly gain 10 to 15 Hp. / Tq.
This fits your .
Pair 4-1 Stainless Steel Exhaust Manifold Header Replacement for 77-79 Ford F100/F150/F250 5.5L 6.6L V8: Automotive
- Product Code: 4NEBK1300485
- Availability: In Stock