(Tiger 25/50 PPN)BHKW · 3.3D. Replacement part matched by OE number — not a genuine Optimess part.
| Engine | S4S/S4S-DT |
| Configuration | L4 · OHV · 8 valves |
| Bore / Displacement | 94 mm / 3331 cc |
| Fuel / Type | 3.3D |
| Applications | (Tiger 25/50 PPN)BHKW |
| Material | Aluminum alloy |
Cylinder heads fit by engine code, not just vehicle model. Send us your engine code or the OE number of your old head — we verify fitment before quoting.