BBF FE Dished Piston Set 4.170 Bore -28cc

The BBF FE Dished Piston Set 4.170 Bore -28cc from KB Performance Pistons is designed for serious big-block Ford builders and engine rebuilders who require precision-matched pistons for high-compression, high-performance applications. This piston set is tailored for big-block Ford and FE-series engines, providing the necessary bore diameter and compression characteristics for nitrous oxide systems, forced induction, or naturally aspirated builds that demand controlled combustion chamber volumes.

The -28cc dished piston design effectively reduces combustion chamber volume, allowing for increased compression ratios without the need for additional machining on the cylinder heads, which is essential for engines utilizing pump gas or specialty fuel blends. With a bore diameter of 4.170 inches, this piston set ensures a proper fit in both factory and bored-out big-block Ford blocks. The dished crown geometry enhances fuel atomization and combustion stability, particularly under boost or nitrous conditions.

KB Performance's commitment to quality is evident in their use of premium hypereutectic aluminum alloy and advanced casting techniques, which minimize piston weight while maximizing strength. This design reduces parasitic losses and improves throttle response, while the precision ring grooves and skirt design help minimize blowby and friction, extending piston life even in severe duty cycles. This piston set is ideal for builders looking to enhance performance in high-stakes racing or demanding engine applications.