Racing engine Simonini Ciao/SI, new model Experience pure performance with the new racing engine Simonini Ciao SI! Precisely designed for optimal acceleration and maximum speed. Perfect fit, robust design, and state-of-the-art technology make it the ideal choice for tuning enthusiasts. Take your Ciao SI to the next level – Act now! Be the first to review this item Product detailsReviews Product details The ideal engine for the racetrack!Includes carbon exhaust, racing clutch bell, electronic ignition, 21mm Dell’Orto carburetor, side 4-petal membrane intake!16 HP at 13,000 RPM.Frame needs to be modified.Connecting rod 90mm with stroke 46.5 mm Reviews Be the first to review this item There are no reviews yet