If You're Tired of Loose Bolts, Meet the Last Set You’ll Ever Need

Automotive Locking Fasteners

Heat and Vibration Are Bolt Killers.

Every time they back out, you lose horsepower—or worse, blow a gasket.

We fixed that. Permanently

Illustration for Header Locking Bolts

Made to Last

With the materials and processes used to make these solutions, they're built to last a lifetime.

Fix & Forget It

Once you install our fasteners, loose bolts will be a thing of the past!

Custom Solutions

Stage 8 Locking Fasteners are available in custom sizes and can be specially ordered to fit your exact needs.

0 reported Failures

Absolutely eliminate loose bolts FOREVER.

keep critical Turbo bolt joints tight in the severest operating conditions.

Illustration for Turbo Locking Bolts

Unsure which kit is right for Your Vehicle?

Ready to put an end to guess work for good!

Choose your manufacturer or specific parts that needs upgrade.

Don't see what you're looking for? Reach out to us for custom solutions to your needs.

Stage 8 Locking Fasteners in Action:

Set it and Forget It

The Installation You'll Do Once

Select your Car Maker and Let's Put an End to Your Loose Bolts FOREVER

With over 30 million installations in the automotive, off-road, construction, military, aerospace and railroad industries, for 40 years. Founded in 1985, Stage 8 manufacturers many types of active, fail-safe mechanical locking fasteners.

Social Media Links

Facebook

Instagram

Contact Us

800-843-7836

4318 Redwood Highway, Unit 200

San Rafael, CA 94903

Copyright: © 2025 Stage 8 Locking Fasteners All Rights Reserved