Port ID 1.7"
Air Injection 0
Primaries 1.87"
O2 Bung 0
MPN 10-1305-12
Material Stainless
Flange Thickness .40"
Weight 74lbs
Brand OBX
EGR 0
Main Piping Size 4.0"
Length 46
Connection Type Bolt On
Wall Gauge 1.5MM
Port Shape Round
Sub Category Long Tube Header
Collector 4.0"
Outlet 4.0"
Height 20
Finish Mirror Polished
Width 20
Header Style Full length

Check the listing for details. OBX Stainless 65-82 Corvette Block Long Tube Manifold 396 402 427 454 Side Pipes. Width: 20, Condition: New. Listed at 879.77 USD. OBX Stainless 1965-1982 Corvette Big Block Long Tube Manifold/Header for 396 402 427 454 Side Pipes, 4pcs. OBX Stainless 1965-1982 Corvette Big Block Long Tube Manifold/Header for 396 402 427 454 Side Pipes 4pcs.

$439.89
$879.77