There's another company called exospeed that builds a K20 race block.
1. ARIAS forged pistons, with piston ring set, wrist pins, and locks. .
2. Eagle performance connecting Rods.
3. Exospeed Sleeved Block: Iron Ductile Open Deck Sleeve.
4. Precision bore, hone, hot tank, and step deck.
5. New Genuine OEM Factory main and rod bearings, with new OEM thrust washers.
6. New Genuine OEM Factory Oil Pump
7. New Genuine OEM Factory Oil Filter
8. New Genuine OEM Factory bottom end gasket kit. Includes: Oil pan gasket, main seal, oil pickup gasket, and more.