4B11 Shortblock
AMS EVO X Stage 4 2.4 Stroker Shortblock with sleeving 9.5:1 Compression (no Core required).
For those of you looking for a big-bore stroker version of the 4B11 engine, look no further than the AMS EVO X 2.4L Big Bore Stroker! By increasing displacement to a robust 2.4 liters, this powerplant allows you to run a larger turbo for increased horsepower without sacrificing your power-band.