S3 Cylinder heads can hold more water flow and have stronger walls, helping with the cooling rate, this improve low and high revs power.
Amazing Racing look!
S3 heads are made by forging process and using best alloys available then anodised
Specific compression inserts design offers the possibility to adapt engine setting to YOUR CHOICE
To be used in conjunction with either high or low compression S3 cylinder head insert.
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Fits all 250 & 300 Beta Evo models.