Puch polini 64cc reedvalve cylinder kit for maxi, magnum, newport, pinto, swinger whatever. Fits on your e50 or za50.
Polini 47mm 80cc cylinder kit for Minarelli V1 engines. Insane rippage for your v1. Specs within.
Honda hobbit / camino 46mm 70cc cylinder kit from Polini. Stupid fast and reliable cast iron cylinder.
OEM replacement decompression valve for Sachs 504 and 505 cylinders. Will also work great on the Sachs Athena cylinder kits.
Used but came off of a running bike. Comes with the cylinder, piston, piston rings and wrist clip. This bike was doing easily 35mph before I put a kit on it. You can slap this on and go.
Used stock cylinder for a Derbi flatreed, maybe you blew yours up or you just like having spares.
New old stock aluminum cylinder for Morini case inducted M1 engines. There's some light surface rust on the bore, but nothing some DW and light sand paper can't handle. Bore size is 40.4mm.
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.
Motobecane 39mm 50cc Airsal cylinder kit for any av7 or av88 engine.
Massive port 46mm 70cc cylinder for Peugeot 103 engines. Has three massive bridged port transfers and 4 booster ports plus a huge exhaust.
Tomos a55 44mm Airsal kit - massive fins for super cooling abilities.
70cc 43.5mm kit for Sachs 504 and 505 engines. Includes cylinder, head, gaskets, angled intake, piston, wrist pin, wrist pin clips, rings, m6 hardware and a set screw for blocking off the decomp.
45mm 70cc airsal kit for puch e-50 and za50.
Motobecane 70cc airsal cylinder kit for both av88 and av7. 45mm piston.
38mm 50cc airsal kit for puch e-50 and za50.
80cc 48mm Athena Reed kit for Sachs 504 and 505 engines. Comes with Sachs style cylinder/head combo, piston, rings, reedblock, reeds, wrist pin and clips, as well as two intakes
Vintage line 38mm 50cc cast iron Metrakit cylinder for Derbi Piston Port engines. Includes piston, rings, wrist pin and clips and gasket set.