MELLING Aluminum Performance Oil Pump, High Pressure (GM LS 4.8L, 5.3L, 5.7L, 6.0L & 6.2L)
[10295]

I bought one of those hand ported stock pumps from a company off the internet. What a joke! If you wanna cheap out, go that route. I didn't but was told their pumps were good. That mother fucking pump failed on me on start up. We were able to catch it and thank god the motor didn't have any internal damage.