These are an exclusive, comprehensive kit put together by Lambretta upgrades. They include a few things others don't such as the legshield T nuts, engine bolt and rear shocker.
 There is also a couple of options available, such as upgraded nylock rear shock 1/2 nut kit or leaving the wheel nuts out if you have tubeless rims, adding link location washers and domed spindle nuts.

Kit consists of:
Centre stand kit
Seat and catch kit
Rear mudguard
Air scoop
Rear shock 1/2 nuts (upgradable to nyloc 1/2 nuts)
Engine bolt
Dog leg
Horn grille
Horncasting to legshields/mudguard
Legshields to frame/mudguard
Bridge piece
Side panel clip and plate(s)
Light/horn switch and housing
Headset top
Throttle/gear rod saddle supports
Speedo retaining plate
Headlight rim
Yoke clamp
Wheel rims