Vespa - Cylinder Kit - V50, PK50, APE 50cc Conversion to 85cc Speedos This is the highest level

This is the highest level of performance we offer using the small crankcase

This isn't simply an optical replica: this is the real deal

By fitting these parts you achieve a most out of the 135cc of displacement according to the sprint scooters races' rules

2 x Piston Rings

This part of the wiring is not supplied when you purchase the Main Frame Wiring Loom

Vespa - Cylinder Kit - V50, PK50, APE 50cc Conversion to 85cc Speedos This is the highest levelVespa Conversion Cylinder and Head Kit 85 cc with 3 Large Transfer Ports. To Fit V50, PK50 or Ape 50cc with standard 43mm stroke. 50mm Bore 1 x Cylinder, 1 x Piston, 1 x Piston Pin, 2 x Piston Circlips, 2 x 1. 5mm Thin Piston Rings, 1 x Cylinder Head, 1 x Cylinder Base Gasket, 1 x Cylinder Exhaust Gasket, 1 x Fitting Instructions. RMS Blue Line Product italy.