Application: AFR SB Windsor Aluminum Heads in Aftermarket IFS Equiped Cars and Trucks

Designed to fit cars and trucks using Total Cost Involved IfS kits, Mustang II or Custom along with most other brands of Custom or Mustang II IFS kits including Heidts. The header flange is cut to match a 351W large port aftermarket head with the extra bolt holes such as the AFR Aluminum head. Will not work on OE heads. All bolt holes are inline down the center of the head flange with 3" center to center spacing. These will not work on heads with a "high/low", i.e. bottom left to top right of port bolt pattern.

These Headers are all Mandrel- bent out of 1.75" 16 gauge tubing, heliarc welded 3/8" thick lazer cut flanges, with 3" collectors. Headers are designed to work with either straight or angle plug heads. Comes complete with Header Bolts, Gaskets, and Reducers.

Photo is not of actual headers.