S3 STARS HEAD KIT FOR KTM EXC 300cc + 250cc. Cylinder head S3 STARS HEAD for KTM EXC, They are in forged aluminium and are absolutely beautiful. They are a top quality component and look stunning.
Made in 3 parts; using the best alloys available on the market, to obtain better output. The advantage of these heads is that they hold more water and also the material is a lot thicker which helps with cooling which improves low down power slightly, STARS HEAD eliminate the hot points typically localized on cast heads.
For models of 2017 and newer.
The different volume inserts gives the possibility to adjust perfectly the engine compression. You can change the inserts for lower or higher compression (using the same outer part) .
For this models; the heads is delivered in complete kit, the inserts also are available per separately. Ready to fit. Anodised. S3 Laser logo.