Secure Fit for 8mm Valve Stems

This OEM-style 8mm valve lock is designed to deliver a precise, secure fit on standard 8mm valve stems. Ideal for stock replacement or performance upgrades, these locks are compatible with a wide range of 8mm retainers and valves used in modern engine builds.

Specifications:

  • Stem Size: 8mm

  • Lock Style: OEM-style, single-groove (or multi-groove, depending on application)

  • Material: Hardened steel for strength and wear resistance

  • Fitment: Universal fit for 8mm valve stems used in many domestic and import cylinder heads

  • Sold: Individually or in pairs (specify at checkout)

Features:

  • Precision-machined for consistent valve seating

  • Compatible with OEM or aftermarket 8mm retainers

  • Durable design for street and mild performance applications

Perfect for builders needing a reliable lock that won’t back down under heat or RPM.

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Tags: valve lock, locks, lock, 100-7778