S3 POWER CYLINDER HEAD BETA 250 2T 13-25

S3 "Power" cylinder head kit for Beta RR/Xtrainer 250 2T from 2013 to 2025

Attention: don't fits on 2025 Race models with two sparks

Modifies compression, allowing one more gear to be used, improving power delivery and engine torque. It is also recommended for use at an average altitude of 1000m.

Its design manages to lower the temperature by eliminating the typical hot spots of the original cylinder heads.

Ideal for aggressive riding, looking for strong emotions!

The kit Includes:

• Power nock 
• Cylinder head
• Set of o-rings