Overview Reviews Similar Products –> Product Description 44mm / 65cc Airsal Cylinder kit for Derbi flat reed engines. You can not use the stock head unless you properly block off the decomp hole. Recommended Accessories : Top end gaskets Product Videos Custom Field Product Reviews Write a Review Write a Review Airsal Derbi Flat Reed Airsal 44mm 65cc Piston Kit Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *