(In Stock)

Looking to swap a newer LT series engine into a 1965-1970 B Body. Speed Engineering LT swap longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our LT swap longtube headers are mandrel bent, tig welded, and feature natural stainless steel construction. All of our LT swap longtube headers have been dyno proven. We stand behind our LT 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
Gen V LT Swap Conversion Header
Port Matched Primaries
5.3L, 6.2L, LT1, LT4 Engines
3" Collector
Gains over 25+ rwhp
CNC Machined Flanges
304 Natural Stainless Steel
Standard Graphite Manifold Gaskets

Note: "For LT Direct Injected series engine swaps only" These do not work on standard SBC or BBC engines.

Note: If using a larger 4L80E or older Turbo 350/400 transmission the bellhousing ears may need to be trimmed for proper clearance.

Note: Would require adjustable motor mounts with 1" offset back.

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.

1965-1970 B Body Bel Air & Impala Headers & Exhaust