Supertech 5mm Single Groove Valve Lock Conversion - Single (Drop Ship Only/Req 2 Per Valve)

If you're working on an engine that uses a single groove valve system and you need to convert it to a 5mm setup, these Supertech valve lock conversions are what you're looking for. They're designed to adapt your existing valve setup to accept 5mm valves, which are common in many performance applications. You'll need two of these per valve, so be sure to order enough for your entire engine.

These are well-built pieces from Supertech, a company known for making solid engine components. They are made to fit right into your existing valve spring retainers and locks, making the conversion process straightforward. This is a popular choice for builders who are upgrading their valvetrain and need a reliable way to use 5mm valves without changing the entire retainer assembly.