Intake spacer Naraku Jet Flow aluminum CNC for 90cc 4-stroke tuning kits GY6, Kymco

Have you already purchased the Naraku 90cc cylinder kit for 4-stroke engines and want to further optimize its performance? With the intake spacer, CNC-machined from aluminum, you can increase the performance of your cylinder with minimal effort. The conical passage narrows the cross-section (from 24 mm at the intake manifold to 21 mm at the cylinder inlet), creating the so-called Venturi effect, i.e., the air-fuel mixture is accelerated, resulting in a higher cylinder filling ratio and thus more torque. Technical specifications: - Intake spacer Jet Flow Naraku, CNC-machined from aluminum, conical - 24 mm inlet on the intake manifold side - 21 mm outlet on the cylinder side, marked by the groove for the O-ring seal - for the Naraku V.2 90cc cylinder kit with 52.4 mm bore (51 mm cylinder head) for Kymco and GY6 4-stroke scooters with the engine code...