High-Performance CNC Cylinder Head for Motorcycle Y125Z/Y125ZR
Precision-machined from aerospace-grade aluminum alloy for superior heat dissipation and durability. CNC-milled with ultra-tight tolerances (±0.01mm) to ensure perfect fit and optimal combustion efficiency. Direct bolt-on upgrade for Yamaha Y125Z/Y125ZR, boosting torque and throttle response for street or track racing. Mirror-polished fins and reinforced valve seats for extended engine life under high-RPM conditions. Strictly wholesale pricing—no middlemen. Bulk orders available for resellers and tuning workshops. Globally shipped, 100% QC-tested, backed by hassle-free returns. Your go-to for pro-grade motorcycle upgrades.