GM Ecotec LEH-X20XEV Performance Parts

Get more out of your GM Ecotec LEH-X20XEV with Supertech components engineered for strength, consistency and high-RPM reliability. From intake and exhaust valves to valve spring kits, retainers, head gaskets and forged pistons, each part is held to tighter tolerances than OEM and tested for racing duty. These components are made for high-RPM street and track engines, including boosted and forced-induction setups that push well past stock limits. Select a component category above to see the parts that fit your GM Ecotec LEH-X20XEV build.