Toronda Cylinder Gilera Runner 173cc 52mm LC + inner head

High-end racing 65x52mm cylinder for Gilera and Piaggio 125 and 180cc engines.
7 transfer ports and 4 part exhaust ports to eliminate the limits from the stock stud pattern.
Fits without milling work on 125 and 180cc engine cases.
Only for 52mm crank with 105mm conrod.
Port timings optimised for racing exhausts, 25-26mm tailpipe diameter recommended.
Stock cylinder can produce 38-42 hp with the right setup.