Wiseco Ford Small Block 302 Windsor 4.040in Bore 1.280in CH -24.00 CC Piston Set

The Wiseco K0104A4 is a professional series forged piston kit for high-performance Ford Small Block 302 and 351 Windsor engines. These dish-type pistons feature a 4.040-inch bore, engineered for applications using a 4.000-inch crankshaft stroke and 6.200-inch connecting rods, common in 410 cubic inch stroker builds. Constructed from durable 2618 forged aluminum with a strutted forging type and skirt coating, these pistons are built for demanding conditions. They include a .927-inch floating wrist pin made from 5115 material. The kit features .290 / .230 valve pockets, compatible with all inline valve heads. Compression ratios vary depending on cylinder head chamber volume: 9.2:1 with 58cc heads, 8.9:1 with 62cc heads, 8.6:1 with 66cc heads, and 8.3:1 with 70cc heads. Ring sets are sold separately. Manufactured by Wiseco in Mentor, Ohio, U.S. This product comes with a Prop 65 Warning.