- Material: wearproof, laminate special cast iron - Recalculated heat exchange surfaces - CNC machining - Transfer and exhaust ports designed for maximum efficiency - Lightened and reinforced, special aluminium alloy pistons with a high silicon content - Optimized compression ratio
Replacement pistons (M 346445) are available here.
Replacement rings (M 354501) are available here.
For the following engines:
* Derbi Scooter 50 watercooled * DERBI ATLANTIS 50 watercooled 1999-2000
* Derbi Predator 50 LC watercooled
Not legal for use in California on pollution controlled vehicles. Check local laws before installing.