S3 PARTS STK-O-GG-TR o-rings kit

Features: - All Txa/Txb kits include: cylinder head, insert and O-rings. - Adapt your motorbike to your riding style: more or less aggressive. - High compression for more expert pilots - Low compression for perfect grip on muddy conditions, smoother power delivery - The kit also helps to reduce operating temperature of the engine and eliminates the typical hot spots of cast cylinder heads. - Cover 100% machined, anodized, racing finish, laser S3 logo. - S3 Cylinder heads can hold more water flow and have stronger walls, helping with the cooling rate, this improve low and high revs power.