Michigan Motorsports LS/LT Hat-Style Valve Seal Kit (16) for Gen 3–5 V8s — Beehive Compatible, OEM-Style Powdered-Metal Guides

Keep your GM LS and LT powerplants reliable across upgrades and rebuilds with the Michigan Motorsports LS/LT Hat-Style Valve Seal Kit (H7100). This 16-seal set is purpose-built for beehive valve springs and is compatible with 2001–2021 Gen 3, 4, and 5 GM V8 engines—from 4.8 L up to 7.0 L—and includes engines in the LS1, LS6, LS3, L92, and LT-series families. The seals are engineered to fit factory-style powdered-metal guides and feature integrated spring locators, helping you achieve proper sit and minimize leaks. This kit is a practical choice for a beehive-friendly upgrade or a top-end rebuild where you want to keep lubrication well-managed and emissions in check.

Key compatibility and fit

• Beehive spring compatibility for precise valvetrain sealing
• Gen 3–5 coverage across 2001–2021 GM V8 platforms
• Precise powdered-metal guide fit with secure stem location
• Complete 16-seal kit for all intake and exhaust valves

Installation-friendly design

Designed to work with beehive springs and maintain OEM-like seal geometry, the kit helps you refresh valve seals during spring swaps or top-end work without extra adapters. The integrated spring locators aid consistent seating, reducing the chance of oil bypass during cycle changes.

Why choose this for your build

Whether you’re upgrading to higher-lift beehive springs or rebuilding the top end, this kit provides a complete, ready-to-install solution. Expect clean oil control and a tidy engine bay as you pursue performance goals, all while staying aligned with factory-inspired fit and function. Note that outcomes depend on overall build condition and proper installation practices.

What you get

• 16 hat-style seals designed for intake and exhaust valves
• OEM-style powdered-metal guide compatibility for secure alignment
• Seals engineered to work with beehive springs and elevated lift cycles
• Reliable, install-ready kit suitable for upgrades and full top-end rebuilds

With Michigan Motorsports, you’re choosing a parts kit that emphasizes fit, reliability, and real-world use cases. This kit is a practical option for enthusiasts who value OEM-style precision without overhauling the entire top end. Consider it a thoughtful step toward maintaining control over lubrication and seal integrity as you pursue your power goals.