B1 SPAREPARTS INLET PIPE

Racing intake manifold.Inner Ø 34 mmIt achieves greater gas flow and significantly improves engine response. Designed for use with high-flow 24 mm to 28 mm PWK carburetors.OEM: 16220-GC4-600Important note: If you would like to use this intake manifold on a Derbi engine for Racing use, you must modify the carter and install a V-Force V381S Reed valve, Bihr p/n 1009766