Like The Tittle States I Have A Set Of Used Ctr Pistons I Bought Them For My Ls Motor But Im Going A Different Route...im Gonna Go To Ls On Boost Swap And These Pistons Are High Compression.im Missing A Obd2 Intake Manifold That Will Work On My 1999 Civic Ex. So If U Want The Ctr Pistons Get Me A Intake Manifold And Its Urs.....lmk (813)-446-1582