Complete 80cc tuning performance kit for all J50 + Lui 50 + Lui / Vega 75cc models. The complete kit consists of cylinder, head, complete piston along with gaskets, studs and fasteners.

RLC recommends the following parts for a complete Casa 80 engine set-up:

Lambretta J50 (all versions)
X3 Casa 75cc cylinder kit
X14 Complete 19mm carb kit
X42 Big Bore exhaust 
M131 3 plate clutch kit
X168 special perfect-ratio gearbox cluster
High quality drive chain (choice of 74-75-76 link chain lengths based on what front drive and clutch spocket you use)
Bigger front sprocket (choice of 13T or 15T based on what current front drive you use: INCREASE YOUR CURRENT SPROCKET SIZE BY 2 TEETH!)

Lambretta Lui 50C + CL
X3 Casa 75cc cylinder kit
X16 Complete 15mm carb kit
X42a Big Bore exhaust 
M131 3 plate clutch kit
X168 special perfect-ratio gearbox cluster
High quality drive chain (choice of 74-75-76 link chain lengths based on what front drive and clutch spocket you use)
Bigger front sprocket (choice of 13T or 15T based on what current front drive you use: INCREASE YOUR CURRENT SPROCKET SIZE BY 2 TEETH!)