| Yep, the two springs are stock. I'll warn you now, the only major drama doin this without a spring compressor is gettin those little barstard retainers back in. It needs great patience or save yourself the drama and when your ready go to any bike shop and get them to pop them in. Its 2 mins with a compressor.
Yes the ports have a bit of machining from the factory at the opening. The ducars I have seen have been opened out wide in this spot but then use a way undersized gasket and block the flow. |