383ci SBC Marine Engine
Built for balanced performance and reliability, this engine uses an OEM 350 block and as-cast heads. It’s optimized for the RPM range most common in marine use—ideal for recreational and performance boating where smooth, dependable power is key.
427ci SBC Marine Engine
Designed for offshore performance, this engine delivers big-block power in a small-block package. It features an aftermarket 4-bolt splayed main block and CNC-ported heads for maximum strength, airflow, and durability in high-demand marine conditions.