BimmerBoost - ABR Houston's N54 engine build program - Starts at $1999 for closed deck block
CPL Racing - Another K20 closed deck conversion completed.... | Facebook
IAG Stage 2.5 EJ25 2.5L Subaru Closed Deck Short Block for 2002-14 WRX, 2004-19 STI, 2005-09 Legacy GT and 2004-13 Forester XT. Built power output rating 675 BHP.
BimmerBoost - Big power N55 build - BimmerBoost member ap485 getting a built closed deck N55 engine block with ported headwork and a Ferrea valvetrain from ABR Houston
3 Types of Engine's Deck: Is Close Deck the best?
Open Deck vs Closed Deck: Which One is Better? - Dust Runners Automotive Journal