JBA Exhaust Headers for Ford Mustang V8 428 CID for 1967-1970 - 6655S crankshafts-and-parts Weight optimized by FEM analysis

Weight optimized by FEM analysis (Front: 27

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JBA Exhaust Headers for Ford Mustang V8 428 CID for 1967-1970 - 6655S crankshafts-and-parts Weight optimized by FEM analysisOverview: 67 70 Mustang Tri Y 390 428 Raw 409 JBA long tube headers are the number one choice for maximum performance gains and high RPM efficiency. Available in 409 or 304 Series Stainless Steel. These long tube designs are dyno and race proven to deliver the greatest possible increase in horsepower and torque throughout the RPM range. All JBA long tube headers feature large mandrel bent stainless steel primary tubes, oversized exhaust ports, extra