Puch Athena 45mm 70cc cylinder kit. This is the large reed block version, the 'mini gila" as we call it.
Tomos a35 44mm Airsal kit with everything you'll need.
44mm 65cc Airsal cylinder kit for Derbi flatreed engines. The porting on this is awesome - 3 big transfers with 4 booster ports and a huge exhaust. Aluminum cylinder body with nikasil lining the bore.
Massive port 46mm 70cc cylinder for Peugeot 103 engines. Has three massive bridged port transfers and 4 booster ports plus a huge exhaust.
Tomos A3 44mm 70cc Airsal kit. Keep in mind this is the 10mm wrist pin version for A3 engines.
Tomos a55 44mm Airsal kit - massive fins for super cooling abilities.
Motobecane 70cc airsal cylinder kit for both av88 and av7. 45mm piston.
Vintage line 38mm 50cc cast iron Metrakit cylinder for Derbi Piston Port engines. Includes piston, rings, wrist pin and clips and gasket set.