Hypereutectic Piston, 4-Inch Bore, 1.600-Inch Compression

The Silvolite 3165HC.020 piston is a high-performance component engineered for Ford Small Block Windsor engines. Key specifications include a 4-inch bore diameter (4.004" actual bore size), a 1.600-inch compression height, and a piston head volume of +5.00cc. The design features a 2.450-inch diameter recess that is .029 inches deep and incorporates 4 valve reliefs. The wrist pin style is press-fit, and the piston skirts are coated for improved performance. This particular piston is available in standard (STD) bore size, with oversizes including .020, .030, .040, and .060. Always confirm compatibility with your specific engine build and intended use.