Manley Super 7 degree Captiv-Loc valve locks were developed by Keith Dorton. They are designed to encapsulate the hardened tip in a titanium valve if it comes loose. They are available in steel or titanium material and will accept any standard 7 degree valve spring retainer. The locks will fit valves with .290 in. to .330 in. tip lengths and use either the conventional or beadlock groove technology. Make the most out of your 7 degree retainers with these Manley Super 7 degree Captiv-Loc valve locks.

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