Michigan Motorsports 2.000" Stock Replacement LS Intake Valve Set | Fits Cathedral-Port LS1 LS2 LS6 LQ4 LQ9 LC9 LMG Heads | OEM-Quality for GM 243 799 317 241 853 806 Castings

Refresh your LS cathedral-port cylinder heads without breaking the bank. The Michigan Motorsports 2.000″ Stock Replacement Intake Valves are built to the same dimensions as factory OEM units and designed to drop right into 1997–2013 LS heads (excluding 706 and 862 castings). Compatible with casting codes 243, 799, 317, 241, 853, 806. These valves are crafted from durable stainless material and deliver reliable air flow and long-term durability. Ideal for stock rebuilds, mild upgrades, or routine maintenance, this set of 8 makes replacing worn or bent intake valves both efficient and affordable. Sold with quantity options for single or full 8-valve set replacements. These valves are your best budget-friendly fix for restoring compression, sealing, and airflow performance without over-engineering the build.

• OEM-Spec Fit and Form – Precision-manufactured to match original GM intake valve geometry for easy drop-in installation on cathedral-port LS heads.
• Fits Popular LS Engines – Designed for LS1, LS2, LS6, LQ4, LQ9, LC9, LMG, and other cathedral-port-based Gen III and Gen IV GM V8s using 243, 799, 317, 241, 853, or 806 castings.
• High-Quality OE Materials – Built from OEM-grade materials that deliver excellent wear resistance and reliable performance under stock operating conditions.
• Affordable Full-Valve Set – Sold in convenient eight-valve quantities for complete cylinder bank replacement—perfect for budget rebuilds.
• Ideal for Stock or Mild Builds – Designed to maintain factory compression, airflow, and emissions compliance in mild performance or stock rebuild applications.