This JE Pistons single flat-top piston for a 400 SBC application is listed as the right piston for a 4.125 inch bore, offered as a forged, application-specific component. JE Pistons are made in the USA using forged aluminum and engineered to match engine and performance requirements, with design features such as FSR geometry and optional skirt coatings intended to reduce friction and enhance durability in high-demand engines.
JE Pistons 400 SBC FLAT TOP - Single Piston - Right