machined header flange kits are available for many popular engine families. Header flange kits include gaskets and header in most applications. Manufactured from 5/16" thick material.
machined flanges
304
5/16" thick
Supplied with our premium head gaskets
A wide variety of tube diameters and port shapes are available
H7861 Header Flange Kit Small Block 265-400 1 5/8" Port 5/16"
H7861 Header Flange Kit Small Block 265-400 1 5/8" Port 5/16"
Installation Tips
H7861 Header Flange Kit Small Block 265-400 1 5/8" Port 5/16"