Vespa Cylinder Head Gasket 1.5mm - BGM,Polini, Parma, DR 177 Kit to 187 by T.W.E
Bgm 177, Polini 177, Parma 177, DR177 and Olympia 177 Kit. TWE Vespa Cylinder Head Spacer Gasket. 1.5mm Thick Aluminium. For use with 60mm Long Stroke Cranks to take the 177cc kits to 187cc. Made in England by Two Wheeled Engineering.