for Lambretta 200 TV/SX/DL/GP cast iron 66mm 2 piston ring(s) w/o cylinder head with manifold 30mm and reed valve TUNING ROAD – for everyday use Product description GRAN TURISMO cylinders, cast-iron kits with reed-valve inlets for Lambrettas. Available with versions for the small-block 125-150-175cc engines, or with 200/240cc for the large-block types. Richard Taylor, the man behind the GRAN TURISMO marque, is a legend on the UK vintage scooter scene, with a declared bias towards Lambrettas! Contrary to most currently available aftermarket tuning cylinders, his GT186, GT200 and GT240 cylinders are constructed using cast-iron. Excellent touring cylinders Usable power at a lower rev range Easily re-bored for oversize pistons Although cast-iron constructed cylinders cannot match the heat transference rate of aluminium types, these kits compensate in part with the inclusion of the innovative ‘PORCUPINE’ cylinder head with an increased cooling fin surface area. Additionally the