For use with the new style S3 Cylinder Head Cover (see image)

STAR HEAD Inserts: Forged in the best aluminum alloy to obtain a top quality component and high durability. Its new design has thicker walls and higher water flow to ensure a better cooling rate.

New design:


• Forging them eliminates the hot spots found on casted heads.

Specific design of the compression inlets, gives options to adapt engine setting to YOUR CHOICE, you will feel real difference between different compression options.

• Standard compression (STD): Higher torque and power at low revs. Even though it is similar to the original compression, you will notice the difference. (SILVER)


•High compression (A): Possibility to add another gear, better traccion and very clean response. (RED)


•Very high compression ( AA + AAA): Specially for altitudes over 1500m , or MX engine preparation.
(PURPLE and BLACK)

• Low compression (B): Incredible traction, smooth response, ideal for X-treme, Hard Eduro and Trial use. (GOLD)