- Grade 8 bolts will not stretch when hot
- Duplex nickel finish for a superior look and corrosion resistance
- Double hex head includes 3/16 inches recessed allen head for easy installation
- Removable and reusable
- Can visually inspect; no need to put a wrench on to check tightness
Stage 8 Locking Header Bolt Kit for Mopar 4.7, 5.7, 6.1 and 6.2 Liter HEMI features a locking header bolt kit for Mopar 4.7, 5.7, 6.1 and 6.2 Liter Hemi. It includes (17 ea) 8 millimeter-1.25 X 25 millimeter 6 point bolts with double hex head (includes 3/16 inch recessed allen head) and matching locking retainers and clips.