Been sitting on this stuff a while time to part with some stuff...
Ls6 valve springs from 243 heads $75
Truck manifolds $50 each 2001 silverado return style with rails, and Egr other is 2004 Denali return no rails.
Ls2 manifold from gto $300
317 heads complete $150 (04 Denali)
Vortec 6000 engine covers $75(04 Denali)
2 stock 6.0 cams $25
Hydro boost with pedal $300 (04 Denali)
04 Denali 6.0 harness also has PCM with drive by wire pedal and control box $200
5.7 ls1 aluminum short block with 853 heads also has valve covers, crank pulley timing cover valley cover and knock sensors wth harness $1500
Maybe more.... Pm for contact info and pics paypal accepted please include fees and shipping will be quoted location is North Carolina