Vhm Cyl. Head Honda Nsr250 `90-99 (2 Pcs), Mc21/mc28

Key Features ✔ Compatible with Honda NSR250 MC21 / MC28 (1990–1999) ✔ Interchangeable combustion chamber for performance customization ✔ Improved heat dissipation through optimized water ducts ✔ High-quality alloy construction with O-ring for reliable sealing Product Description The VHM AA33054 cylinder head is designed to enhance the performance of Honda NSR250 MC21 / MC28 (1990–1999) engines. Made from high-quality alloy, it features an interchangeable combustion chamber that allows riders to tailor engine characteristics to their specific needs. The optimized water ducts ensure better heat dissipation, reducing the risk of detonation and maintaining consistent performance throughout the race. The head comes with O-rings for reliable sealing. Inserts must be ordered separately: AE32069-E (12.60cc, standard) and AE32069-A (blind insert for custom machining). Technical Specifications - Product code: AA33054 - Compatibility: Honda NSR250 MC21 / MC28 (1990–1999) - Material: High-quality alloy - Color: Gold anodized - Interchangeable combustion chamber - Includes: 2 cylinder heads, 2 O-rings, 12 copper washers, 12 cap nuts - Compatible inserts (sold separately):   - AE32069-E (12.60cc, standard)   - AE32069-A (blind insert for custom machining)