For budget or stock-style rebuilds, it's hard to beat the value of Sealed Power cast pistons. They are made from high-quality aluminum alloys and feature a carefully controlled casting, heat-treating, and CNC-machining process. And, because they're designed and manufactured to exceed OEM specs, they'll provide improved reliability, performance, and a long service life. (1968-1976) Ford Products 390 V8, 410 V8 Replacement piston. Bore 4.05. Rings 5/64-3/32-3/16, Pin Dia .9751, recessed head w/4 valve reliefs
