Cal Custom Small Block Chev Fat Fenderwell Headers Black Mild Steel

• Fits Small Block Chevy
• 265, 283, 305, 307, 327, 350, 400 engines
• Fits regular (OE style) cylinder heads; do not fit slant plug heads
• Laser cut flanges
• The header set includes 2 exhaust manifold gaskets, 2 collector gaskets, 1 bolt kit

NOTE:

• Minor modifications may be required for fitment on certain models
• Professional installation recommended! No instructions included!
• If your vehicle is using aftermarket components, parts from other applications or custom-altered parts, then it is the installer’s responsibility to verify fitment.

Measurements:

• Flanges: 3/8” thick
• Primaries: 1-5/8”
• Collector outlet: 2-1/2”
• Collector adaptor outlet: 2-/1/4"