diff --git a/jjb/pipeline/voltha-go-tests.groovy b/jjb/pipeline/voltha-go-tests.groovy
index bec890d..d14d398 100644
--- a/jjb/pipeline/voltha-go-tests.groovy
+++ b/jjb/pipeline/voltha-go-tests.groovy
@@ -40,7 +40,7 @@
       steps {
         sh """
            cd kind-voltha/
-           EXTRA_HELM_FLAGS="--set defaults.image_tag=voltha-2.1" VOLTHA_LOG_LEVEL=DEBUG TYPE=minimal WITH_RADIUS=y WITH_BBSIM=y INSTALL_ONOS_APPS=y CONFIG_SADIS=y FANCY=0 ./voltha up
+           EXTRA_HELM_FLAGS="${params.extraHelmFlags}" VOLTHA_LOG_LEVEL=DEBUG TYPE=minimal WITH_RADIUS=y WITH_BBSIM=y INSTALL_ONOS_APPS=y CONFIG_SADIS=y FANCY=0 ./voltha up
            """
       }
     }
diff --git a/jjb/voltha-e2e.yaml b/jjb/voltha-e2e.yaml
index 4a3b7c9..4ecccf3 100644
--- a/jjb/voltha-e2e.yaml
+++ b/jjb/voltha-e2e.yaml
@@ -56,6 +56,11 @@
           default: '-e notready'
           description: 'test tags'
 
+      - string:
+          name: extraHelmFlags
+          default: '--set defaults.image_tag=voltha-2.1,images.afrouter.repository=volthacore/voltha-afrouter,images.afrouter.tag=khen,images.ro_core.repository=volthacore/voltha-ro-core,images.ro_core.tag=khen,images.rw_core.repository=volthacore/voltha-rw-core,images.rw_core.tag=khen'
+          description: 'Helm flags to pass to ./voltha up'
+
     project-type: pipeline
     concurrent: false
 
@@ -64,7 +69,7 @@
     triggers:
        - timed: |
                  TZ=America/Los_Angeles
-                 H * * * *
+                 H/20 * * * *
 
 - job-template:
     id: 'voltha-patch-test'