Billet CNC Stainless Header Flanges- CID Heads Raised Port LS Heads

Precision milled from 3/8" 304 stainless steel, these CNC Machined Stainless Header Flanges- CID Heads Raised Port LS Heads are the perfect touch to finish off that next custom set of headers. Designed for a lightweight profile, snap-fit ports, and a beautiful finish, these CNC machined header flanges are second to none. They all come standard with chamfered edges, and precision milled ports.

These CNC Machined Stainless Header Flanges- CID Heads Raised Port LS Heads are sold AS A PAIR.

They are available in 2", 2 1/8" or 2 1/4" port sizes.

These flanges are specifically designed for the RAISED port LS cylinder heads from CID (Competition Induction Design). The bolt pattern will fit all conventional LS1, LS2, LS3, LS6, LS7, LSx, LSA, and aftermarket LS cylinder heads with a conventional bolt pattern. The ports are RAISED approximately 0.240" from the stock exhaust port location, so these may not work for most other applications.

See our custom CNC Flange listing for unique header flanges with custom variants such as:

• Various material types & thicknesses
• Any engine/cylinder head combination
• O-Ring grooves with O-Ring installation
• Counterbore for a tubing land
• Lightened flanges
• Port Blend- requires a non round port.

 CNC Machined flanges are FINAL SALE. We will not accept refunds or returns on these products.

Every flange will be precision skimmed to ensure flatness and straightness. All bolt holes and flange port holes will be precisely chamfered for a smooth, bur free edge.