4B11 Crate Engine
AMS EVO X 4B11 Stage 1 Crate motor with standard cylinder heads, 9:1 Compression (No core required).
The AMS EVO X Stage 1 Crate Engine is the ultimate solution for high horse power reliability. Our crate engine comes complete from valve cover to oil pan to timing chain and components to make installation as painless as possible, ready to drop right into your EVO!
