Replace your stock studs with these locking header bolts from Stage 8!
Stage 8 4.6L Locking Header Bolt Kit
Replace your stock studs with these locking header bolts from Stage 8! Highly suggested with Stainless Works header installs!
These Stage 8 locking header bolts are designed to absolutely, positively not back out. These bolts eliminate the need to monitor and tighten bolts regularly.
- Fits all 1992-2011 4.6L Crown Victoria/Grand Marquis/Town Car, 1996-2004 4.6L Mustangs and 2007-2012 Shelby GT500s. Will not fit any 4.6L 3V engines.
- Features grade 8 aircraft quality bolts that are made in the U.S.A. and are duplex nickel plated.
- 8mm 1.25 x 22mm
|Dimensions||5 × 5 × 5 in|