5”. Everywhere online claims to convert to the k20 for every little thing. My dilemma is can I just convert it into a tsx or Crv components to maintain it simple and not really have to alter the crank pulley. I believe the 2007 Honda CR-V has a 6.5” crank https://2jzgtte03520.buyoutblog.com/32658245/examine-this-report-on-subaru-ej20-turbo-engine