Upgrade your 6.4L HEMI engine’s reliability with the Stanke Motorsports Rocker Shaft Stabilizers and Collars. This kit reinforces the rocker shaft assembly, reducing flex and ensuring consistent valve operation under high-performance conditions. It includes 10 stabilizers and 16 collars, providing comprehensive support for the Gen 3 6.4L HEMI engine's valve train. Compatible with Apache, Eagle, Thitek, and Edelbrock heads, these components are CNC machined from aircraft-grade aluminum and anodized for durability.