Stage 8 8913A 1" Locking Header Bolt kit for Ford Small Block
Stage 8 1 inch Locking Header Bolt kit for Ford Small Block features locking header bolts for Ford small blocks260 - 351 cu/inches including 351W and 5.0 liter using 1 inch bolts. It includes (16 ea) 3/8-16 X 1 inch 6 point bolts with double hex head (includes 3/16 inch recessed allen head) and 16 each locking retainers and clips.