LS 5.3L FT Forged Piston Set 3.800 Bore

The LS 5.3L FT Forged Piston Set 3.800 Bore by ICON Pistons is designed specifically for builders and enthusiasts focused on maximizing power from their Gen III/IV LS platforms. This piston set is ideal for those upgrading a stock short-block for street performance or preparing for forced induction applications.

Constructed from premium forged aluminum alloy, these pistons offer superior strength and thermal management compared to OEM cast designs. The 3.800-inch bore diameter is standard for 5.3L LS engines, ensuring a direct fit into properly prepared cylinders. The FT (Forged Top) design features optimized ring grooves and improved oil control, enhancing heat dissipation and combustion temperature management.

Engine builders and performance mechanics will appreciate the durability of this piston set, which is suitable for high-performance applications. While it is engineered for reliability, proper tuning and setup are essential for achieving desired RPM levels, especially in turbocharged or supercharged builds.