Ford Racing Modular 3V Rocker Arm and Lash Adjuster Kit

If you're working on the 4.6L 3V engine in your 2005-2010 Ford Mustang and need to get the rocker arm adjustment just right, this Rocker Arm and Lash Adjuster Kit from Ford Racing is what you're looking for. This kit is specifically designed to work with bolt-down style roller rocker arms, helping you achieve the correct lifter preload, which is crucial for proper valve train operation and engine performance. Getting this preload dialed in can make a noticeable difference in how smoothly your engine runs.

This kit includes a total of 24 shims: 16 thin shims and 16 thick shims. These shims are the key to fine-tuning your lifter preload. You can use them individually or in combination to reduce preload by specific amounts. A thin shim can reduce preload by .030 inches, a thick shim by .060 inches, or by using both together, you can achieve a reduction of .090 inches. This level of adjustability allows for precise tuning, ensuring your rocker arms are set up perfectly for your specific engine build.

Properly setting the lifter preload is essential for the longevity and performance of your engine's valve train. This kit from Ford Racing provides the necessary components to make those adjustments accurately. It's a well-built solution for Mustang owners who demand precision when rebuilding or servicing their 3V modular engines.