There will always be a debate about which K-Series engine is the best, but there is a powerful argument for the early K24A2. This engine was available in the 2004-2008 Acura TSX in the U.S., the ...
Popular versions of the K24 engine are the K24A2 (from the Acura TSX) or K24Z7 (from the Civic Si). If you're seeking a better performance package, you can combine the K24 bottom-end and the K20 ...