Depends on what you mean by expensive...b16a2 head from the Civic Si with ITR version 1 or version 2 (CTR) cams on a GS-R block that's been torn down and replaced with ITR or CTR pistons (dome top) and rods. Add up parts and labor and it could $1,500-3,000+. I bought a complete ITR longblock brand new for $2,600Originally Posted by MIami-boy
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