Precision-Engineered 4V Cylinder Head for Peak Performance
Upgrade your engine with this high-performance 4-valve cylinder head, CNC-machined from premium aluminum alloy for superior heat dissipation and durability. Precision-crafted ports and polished surfaces optimize airflow, delivering 15%+ power boost over stock heads.
Universal Fit for Dominant Models
Direct bolt-on compatibility with WAVE100, XRM110, JH70, EX5, Astrea/Star/Prima series, and Grand Supra X100. Ideal for street racing, off-road adventures, or engine rebuilds—transforms commuter bikes into track-ready machines.
Pro-Grade Racing Modifications
Features reinforced valve seats and hardened camshaft bearings for sustained 10,000 RPM performance. Laser-etched gasket surfaces ensure perfect seal. Includes pre-installed high-tension valve springs (compatible with .5mm oversized valves).
Wholesale-Priced Power
Factory-direct pricing—40% below retail for bulk orders. Ships in OEM-grade packaging with impact-resistant foam. Minimum order: 10 units (mix SKUs accepted).