How hard is it to replace the internals? Could this be a DIY with PG selling the upgraded pump hardware?
That would be like saying how bout you just sell me all the parts to make an intake, or exhaust, or etc etc and Ill do it myself. I dont think there is any plans for doing that. When you order a dcr walbro pump they build it for you. Thats how a business makes money on it. Not to mention 90% of the people out there would be lost when it came to tearing a fuel pump down and rebuilding it.