Michigan Motorsports LS/LT Beehive Valve Seal Kit | Set of 16 | Hat-Style Stem Seal for 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L LS & Gen V LT Engines | OEM-Style Powdered Metal Guide Fit

Maintain top-end reliability and performance in your LS or LT build with the Michigan Motorsports LS/LT Hat-Style Valve Seal Kit (H7100). This set of 16 beehive-compatible stem seals is precision-engineered for 2001–2021 Gen 3, 4, and 5 GM V8 engines—4.8 L to 7.0 L—including LS1, LS6, LS3, L92, and LT-series platforms. They fit powdered-metal guides and boast integrated spring locators for perfect sit and leak prevention. Ideal for installs or rebuilds involving beehive springs, this kit ensures OEM-level control of valve stem lubrication—keeping oil where it belongs and emissions in check.

• Beehive Spring Compatibility – Specifically shaped “hat style” seals designed to work seamlessly with beehive valve springs. Engineered to match OEM seal geometry and keep valvetrain sealed even under elevated lift cycles.
• Gen 3/4/5 Engine Coverage – Compatible with a wide range of modern LS and LT platforms from 2001–2021, including cathedral- and rectangle-port heads used in performance and truck applications.
• Precise Powdered Metal Fit – Tailored for use with factory-style powdered-metal guides. Secure stem location without the need for modifications or adapters.
• Essential for Spring Replacement – Always recommended to refresh valve seals when replacing valve springs to avoid leaks, smoking, and oil burn—especially critical in performance builds.
• Complete 16-Seal Kit – Includes a full set of 16 hat-style valve seals to service all intake and exhaust valves on your V8 engine, making it ideal for both upgrades and complete top-end rebuilds.