Ford - Rocker Arm Shim Kit

The Ford Rocker Arm Shim Kit is designed to enhance the lifter pre-load in your vehicle's engine, ensuring smooth and efficient operation. This kit fits 302 and 351 pedestal-style cylinder heads, including Ford Performance models M-6049-X306 and M-6049-X307. The set includes 16 thin shims and 16 thick shims, offering the flexibility to reduce lifter pre-load by 0.030 in (thin shim), 0.060 in (thick shim), or 0.090 in (thin plus thick shim). Ideal for use with bolt-on M-6564-A50, M-6564-B351, and M-6564-C351 roller rocker arms, this shim kit guarantees precise engine tuning. **Product Features:** - Fits Ford 302 and 351 pedestal-style cylinder heads - Includes 16 thin and 16 thick shims for adjustable pre-load - Reduces lifter pre-load by increments of 0.030 in, 0.060 in, or 0.090 in - Compatible with Ford Performance roller rocker arms - Steel construction for durability and reliability - Perfect for optimizing small block Ford engines **Specifications:** - Length: 2.25 in - Width: 2.2 in - Height: 1.0 in