Collection: MRX Series Crate Engines

The MRX engine series from mountune represents the pinnacle of precision engine building. Built on the foundation of our N1 series engines, the MRX features everything you'd expect from a crate engine ready to install out of the box, plus an upgraded cylinder head. 

The MRX features only the highest quality motorsport-grade components, including forged internals and upgraded valve train components. Our engine builders carefully select and assemble each component, making sure that every engine is perfectly balanced and calibrated for maximum power and performance.

At mountune, our in-house engine builders are some of the most experienced and knowledgeable in the industry. They take pride in their craft and are committed to delivering engines that meet our exacting standards for performance and reliability. Every engine undergoes a rigorous process of deburring, clearancing, and inspection, ensuring that each component is precisely machined and fitted to exacting tolerances.

With over 40 years of racing heritage and a winning legacy that includes multiple Pike’s Peak International Hill Climb, King of the Mountain titles, mountune is a trusted name in the motorsport community. Our MRX engine series is the culmination of decades of experience and expertise in the industry, making it the ultimate choice for anyone seeking the highest level of performance from their race car.