F-series DOHC (S2000 and F20B)
New, and another industry first, from Bisimoto: 86mm bore (1mm over factory), 11.0:1, 9.5:1, or 8.4:1 forged pistons, complete with rings, pins, and pin locks. Excellent for Natural aspiration and also can be used for turbo setups, as well. Allow for perfect sealing, and an increase in displacement for even more power. Compatible with factory JDM F20B engine blocks, and sleeved applications.