EXHAUST MANIFOLD HEADER FOR 55-57 SBC BEL AIR/NOMAD 150/210 BLOCK HUGGER TRI-5

FIT:
1955-1957 Chevys with the original steering box
(Will not fits on the passenger side if you use Edelbrock aluminum heads)
(2.5" to 2.25" Weldable reducer included)

Include:
1 x Header exhaust system
All necessary installation hardware

Note:
Required Welding

Made of high quality T-304 stainless steel material
TIG welded CNC machine flange
O2 sensor bung insertion included
2 x 4-1 Racing design
Increase high flow air, instantly gain 10 to 15 Hp. / Tq.