SEALED POWER 354P40 Sealed Power 354P40 Ford FE-Series 428 Cast Flat-Top Piston Set, 4.170-Inch Bore

The Sealed Power 354P40 piston set is designed for Ford FE-Series 428 engine applications requiring dependable replacement or rebuild components. This set includes eight cast, flat-top pistons with a 4.170-inch bore specification and a -14.00 cc volume. The piston design supports consistent engine assembly and is suited for builders restoring original-style performance or completing a carefully matched replacement project.
The 354P40 pistons feature a 1.665-inch compression height and 5/64 x 5/64 x 3/16-inch ring grooves for compatibility with the appropriate Ford FE-Series piston rings. Their cast construction provides a practical balance of durability, performance, and value for street-driven vehicles, classic Ford builds, and other applications where reliable piston service is required. Always verify bore size, compression height, ring specifications, piston volume, and engine compatibility before installation.
This Sealed Power Ford 428 FE piston set is supplied as a complete set of eight pistons to help maintain consistent component selection across the engine. The flat-top configuration and negative piston volume can be used when calculating compression ratio and selecting a compatible cylinder head, gasket, connecting rod, and ring package. Professional inspection and precision measurement of the block, cylinders, rods, and related components are recommended during assembly to ensure proper clearances and long-term reliability.

Features:

• Sealed Power 354P40 piston set for Ford FE-Series 428 engines

• Cast flat-top piston design

• 4.170-inch bore specification

• 1.665-inch compression height

• 5/64 x 5/64 x 3/16-inch ring grooves

• -14.00 cc piston volume

• Set includes eight pistons

• Designed for replacement and engine rebuild applications