Parts packages, the goal is to have parts in your box to be able to fix about anything on a race weekend at a discounted price.
Clutch and flywheel kit $60 vs $100
Stator and Coil $40 vs $70
Throttle cable $15 vs $25
Piston kit, everything but cylinder. Piston, ring, wrist pin, bearing, and gaskets. Select air cooled or Water cooled. The air cooled uses rtv for head gasket. $55 vs $75
Package price $170, saves $100 buying all together.