Acura K20A2 / K20A3 / K20A4 Performance Parts

The Acura K20A2 / K20A3 / K20A4 is a proven platform for performance builds, and Supertech supplies the precision valvetrain and piston components to take it further. The catalog for this engine covers titanium and stainless engine valves, dual and beehive valve springs, retainers, valve guides, seals and spring seat locators - everything the cylinder head needs to stay stable under load. 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 Acura K20A2 / K20A3 / K20A4 build.