SKU: ICNIC9948.030
UPC: 800745222992
MPN: IC9948.030
The BBC FHR Dome Piston Set 4.155 Bore +17cc from ICON PISTONS is specifically designed for high-performance big-block Chevrolet (BBC) engines, making it ideal for drag racing, street performance, and competitive motorsports. This piston set is essential for builders who need reliable internal components in heavily modified BBC platforms that face extreme conditions.
With a bore size of 4.155 inches and a +17cc dome chamber design, these forged pistons enhance combustion efficiency and compression ratio control for both forced-induction and naturally aspirated applications. The forged aluminum construction offers superior strength compared to cast alternatives, effectively resisting detonation damage and thermal stress, which are common in high-boost environments.
Serious BBC builders and professional engine shops depend on this piston set to optimize performance in their engines. The dome geometry aids in quench clearance and flame front propagation, crucial for maintaining cylinder pressure stability and preventing knock, especially when using premium fuel and aggressive timing curves.
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