383ci SBC Airboat Engine
Designed for reliable performance in demanding airboat conditions. Built on an OEM 2-bolt 350 block with as-cast heads, it delivers smooth, consistent power across the RPM range. Ideal for recreational airboaters who want dependable performance without going over the top.
427ci SBC Airboat Engine
Built for serious airboating power. This engine features an aftermarket 4-bolt splayed main block and CNC-ported heads, offering increased airflow, strength, and torque. Perfect for high-performance airboats that need big-block power in a small-block footprint.