dont buy the k20a2 find a k24 bottom then a type-s head u can build a k24 turbo for about half the price of a type-s swap i found my k24 for 300 had 3 bent valve i put 09 tsx pistons in it and a type s head thats 1100 for a motor that would out run a stock type-s motor and its still all oem parts check out k20a.org very usefull info there