Cylinderhead Tomos 4L / APN-4 50cc HD O-ring de Klein tuned

Tuned cylinder head for Tomos 4L / APN-4 with square model cylinder.

No upgrades can be found for Tomos 4L / APN-4 cylinders. To change that, we had our house tuner de Klein tackle this head to still get extra easy extra power out of your Tomos. This cylinder head is fitted with an O-ring that serves as a head gasket.

• Based on an replica Tomos 4L / APN-4 cylinder head, but optimised by our house tuner de Klein!
• The optimized combustion chamber gives more compression. This gives you more torque.
• For a standard Tomos 4L / APN-4 model 50cc / 38mm cylinder
• Aluminium
• Note: cylinderhead doesn't fit the first Tomos 4L models (1969 - 1971) those had the round cylinder(head) like the 2L and 3L 
• Replica quality
• With O-ring!