dude check these out from Summit. Great bargin header kit... can't put up a link but here are part numbers and info. Hey Tim, Where does it hit? Can you cut the collector off and reposition it?
::::Flanges:::
Brand Summit Racing
Manufacturer's Part Number SUM-670192
Part Type Header Flanges
Product Line Summit Racing® Header Flanges
Summit Racing Part Number SUM-670192

Header Bolt Pattern Stock
Header Flange Material Steel
Header Flange Thickness (in) 0.375 in.
Header Flange Port Shape Round
Header Flange Port Size (in) 2.000 in.
Includes Stubs for Primary Tubes No
Gaskets Included No
Mounting Hardware Included No
Quantity Sold as a pair.


:::::Tube Kit::::

Brand Summit Racing
Manufacturer's Part Number SUM-670187
Part Type Headers
Product Line Summit Racing® SBC Header Weld-Up Kits
Summit Racing Part Number SUM-670187

Header Style Weld-up kit
Header Material Steel
Header Finish Aluminized
Primary Tube Diameter (in) 1 7/8 in.
Collector Attachment Slip fit
Collector Diameter 3.500 in.
Tuned No
Primary Tube Gauge 16-gauge
Bolts/Studs Included No
Gaskets Included No
Reducers Included No
Y-Pipe Included No
Motor Mounts Included No
Transmission Mount Included No
Quantity Sold as a kit.
Notes This is an unassembled long-tube weld-up kit. Kit contains 8 CNC mandrel-bent primary tubes and 2 collectors. Flanges not included.