IE Short Block Assemblies are assembled to strict critical tolerances using the highest quality performance components for a strong and reliable bottom end. Click to read more.



Integrated Engineering Race Engines short blocks, cylinder heads, and complete long blocks power drag race, road race, and even land speed racing projects around the world. Integrated Engineering assemblies receive the industry strictest machining practices before being constructed of the highest quality parts, many of which are made right here in our Salt Lake City manufacturing facility. For other critical components, we work with the biggest names in the industry to offer the best solutions available to complete the full assemblies. In-house dyno testing ensures that each combination functions optimally, and makes the desired power. Extensive development work has been done within the camshafts and cylinder heads to match up the best custom profiles with our CNC porting, delivering unparalleled performance.