I have some parts from my 2004 5.3. The engine had 123K on it before I replaced it.

862 Heads (w/918 Springs) - $200 Shipped
Truck Oil Pan (w/bolts) - $90 Shipped
5.3 Block - $125 Pick Up only
Stock Cam (from LQ4 - 0 Miles) - $40 Shipped
Valve Covers - $40 Shipped
Stock Push Rods (from LQ4 - 0 Miles) - $25 Shipped
Stock Springs (from LQ4 - 0 Miles) - $25 Shipped
Rockers - $50 Shipped
Timing Chain (w/sprockets) - $30 Shipped
Truck Oil Pickup - $30 Shipped
Windage Tray - $30 Shipped

I may have some other parts not listed so feel free to PM me with any requests.

 

Sent PM

 

pm inbound if still avail

 

Post edited. I had the wrong casting number on the heads. These are stock 2004 5.3 heads with 918 valve springs. Thanks Bruce!