Havlir House of Fabrication Custom made headers for your '39-'40 ford flathead Pics to show clearance and routing. Also have 7" extension for Drivers side to get past X-member. 1 5/8" stepped to 1 3/4" 7" extension to get past X-member on drivers side 16 gauge steel 5/16" flanges Also have 3/8" full flange if wanted All Tig welded 475.00 plus shipping Dave Havlir Havlir House of Fabrication (804) 245-1959 Additional Info.... Now making two bolt weld on flanges to connect headers to exhaust system. See pics at bottom. Flanges are $40.00 for the two pair (4 pieces) DRIVERS SIDE PASSENGER SIDE