Stage 8 Locking Intake Manifold Bolts are easy to install and they are real assurance against air leaks caused by loosening bolts.

This unique patented and trademarked functional design is just three pieces: a grooved bolt (Grade 8 Steel), a locking retainer, and a snap ring.

The Locking Bolt Kits are available for most engines include the correct amount of patented, grooved bolts (size depending on application), retaining washers, and locking retainers.