Michigan Motorsports .550" Lift Beehive Valve Springs | Fits GM LS Engines 4.8L 5.3L 6.0L 6.2L LS1 LS2 LS3 LS6 LQ4 LQ9 | Direct Replacement for GM 12713265 | Performance Spring Set

The Michigan Motorsports .550” Lift Beehive Valve Springs are designed to provide OEM-level reliability with added performance capability for GM LS engines. Built as a direct replacement for GM part number 12713265, these springs are manufactured to handle up to .550” valve lift, making them an excellent choice for stock refreshes, mild camshaft upgrades, and performance builds. The beehive design improves valvetrain stability by reducing spring mass, which increases RPM potential and minimizes valve float. Perfect for LS1, LS2, LS3, LS6, LQ4, and LQ9 applications, these valve springs deliver the strength and durability your LS engine needs while maintaining quiet operation and long service life.

• Performance Beehive Design – Lightweight beehive construction reduces spring mass, increases RPM stability, and minimizes valve float under load.
• .550” Maximum Valve Lift – Rated to handle up to .550” lift, making these springs suitable for stock applications or mild performance camshaft upgrades.
• Direct GM Replacement – Replaces OEM GM part number 12713265, providing exact fitment and reliable performance with LS cylinder heads.
• Durable & Reliable Construction – Built from premium materials to ensure long-term strength, durability, and quiet valvetrain operation.
• Wide LS Engine Coverage – Fits GM LS engines including 4.8L, 5.3L, 6.0L, and 6.2L platforms such as LS1, LS2, LS3, LS6, LQ4, and LQ9.