SBF FT Forged Piston Set 4.030 Bore -5.3cc

The ICON Pistons SBF FT Forged Piston Set 4.030 Bore -5.3cc is a premium forged piston assembly engineered for small block Ford engines requiring tight bore specifications and lower displacement characteristics. This eight-piston set delivers the strength and precision demanded in high-performance, street, and competition applications where reliability and consistent ring sealing are non-negotiable. The -5.3cc dish design reduces total engine displacement while maintaining structural integrity under sustained load.

Each piston features the ring groove configuration of 1/16 x 1/16 x 3/16 inches, a specification that optimizes compression ring seating and oil control ring fit across a wide range of small block Ford applications. The 4.030-inch bore diameter accommodates overbored blocks while the forged construction provides superior fatigue resistance compared to cast alternatives, particularly in engines subjected to aggressive tuning, boost pressure, or extended high-RPM operation. The negative 5.3cc dish volume influences compression ratio calculation and combustion chamber dynamics—critical considerations when building carbureted or fuel-injected small block Ford engines destined for street driving, bracket racing, or vintage hot rod restoration.

This piston set serves small block Ford enthusiasts, engine builders, and restoration specialists who require OEM-compatible bore sizing with forged reliability. Whether replacing worn stock pistons, assembling a fresh long-block, or upgrading displacement characteristics in a vintage or modern SBF platform, this ICON set provides the dimensional accuracy and material quality necessary for dependable performance. The complete eight-piston configuration eliminates the need for partial orders and simplifies inventory management during engine assembly.

ICON Pistons maintains a strong reputation within the small block Ford community for manufacturing consistency and technical support. Forged piston sets in this bore and dish specification are industry-standard components in professional engine shops and recognized by serious SBF builders as a reliable foundation for long-term engine durability.