General Motors Hot Rod LS3 Engine Parts

4 x BLEM OEM GM Aluminum Rectangular Port LS Cylinder Heads (GM 12600821) 2 x unbranded Black Aluminum Oil Pans + 1 unfinished/natural (similar to Holley 302-1 or Top Street 81074 – For 4.8L – 6.2L) 1 x Black Aluminum LS Timing Cover + 1 Red 3 x Unfinished/Natural LS Valley Covers + 1 Red 2 x Unfinished/Natural LS Rear Covers + 1 Red (Dorman 635-518) 5 x Timing Cover Gaskets Note: Seller states all the parts in this lot may not all work as one unit.