for Lambretta 125 LI/Special/GP/DL/150 LI/Special/SX/GP/DL/175 TV cast iron 64,0mm 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