More info about pricing
From the price guide on alan johnson's site
5.3" Bore Center Billet V-6 Cylinder Heads, bare. part number 01L-001 price TBD
5.3" V-6 Rocker Assembly. (kit) part number 06L-001 price $4,856
5.3 V-6 Roller Camshaft: Grind #299/299-R18 part number 09L-001 price $1,150
5.3" Bore Center V-6 Billet Block, 11.200" Deck ht, 5.00" bore. 70mm Needle cam bearings, .937" Keyway lifters. (assembly) part number 11L-001-1120-70NB price TBD
5.3 V-6 Head Stud kit. (kit) part number 11L-010-HSK price $813.52
Everything else for the motor has part numbers, but no prices. The 5.3 v8 block was $7,000 so it will be priced around there. Probably gonna be north of 20,000 in the motor.