Exhaust Manifold Headers Small Block Chevy Lake Style SBC 265-400 V8 .

Description:

1-5/8" primaries to the 3-1/2" mega-phone collector

Includes 2-1/2" reducers to connect exhaust under the vehicle

Fitment:

Fits all small block Chevrolet V-8 engines with standard exhaust pattern

Fits 265-400 Cu. In. Standard, Vortec, and D-port ZZ-4 heads (not LT-1)