(In Stock)

Looking to swap a newer LS series engine into a 1965-1970 B Body. Speed Engineering LS swap longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our LS swap longtube headers are mandrel bent, tig welded, and feature natural stainless steel construction. All of our LS swap longtube headers have been dyno proven. We stand behind our LS swap longtube headers in saying you will not find a better fitting, quality built, budget header for your vehicle.

Features include:

• Mandrel Bent Tubing/Great Fitment
  
• Full 1 7/8" Primaries
  
• Longtube Header Design
• LS Swap Conversion Header
• Port Matched Primaries
  
• 4.8L, 5.3L, 6.0L, 6.2L, LS1, LS2, LS3, LS6, LSA Engines
• 3" Collector
• Gains over 25+ rwhp
• CNC Machined Flanges
• 304 Natural Stainless Steel
• Standard Graphite Manifold Gaskets

(Note: These do not bolt up the older SBC or BBC engines.)

Vehicle Applications:

• 1965-1970 Chevrolet Bel Air
  
• 1965-1970 Chevrolet Biscayne
• 1966-1970 Chevrolet Caprice
• 1965-1970 Chevrolet Impala

(Warning) This is a RACE ONLY product manufactured and sold for installation on vehicles to be used solely for competition purposes. Once this part is installed, the vehicle may never be used, or registered or licensed for use, on a public road or highway. If you install this part on your vehicle and use the vehicle on a public road or highway, you will violate the Clean Air Act 203(a)(3), 42 U.S.C, 7522(a)(3) and may be subject to personal civil or criminal liability.