Built for FX SHO engines that see serious boost, this low-compression set allows extra pressure without detonation. The 86.5mm oversize bore delivers 1812cc.
High-strength forged aluminum, custom skirt cam and barrel design, and accumulator grooves.
- Fits Yamaha FX SHO 2008-2012
- 86.5mm oversize bore (1812cc)
- 8.6:1 compression for high boost
- Forged aluminum construction