COMPETITION HEAD GASKET(.20MM THINNER THAN STOCK WITH THE .44MM)(.42MM THINNER WITH THE .22MM)FOR HIGHER COMPRESSION RATIO.MAKE A BROAD HORSEPOWER GAIN COMPLETELY THROUGH THE RPM RANGE,SAFELY WITHOUT ANY MACHINE WORK TO YOUR ENGINE.HAVE BEEN MAKING FOR OVER 10 YEARS.FOR AMA/WERA/CCS/COMPETITION DRAG RACING.WEBSITE FOUND @DOCTORDUG,COM

please specify thickness,,,  sizes avail are .22mm and .44mm (stock is .64mm) .22MM WILL BE SHIPPED UNLESS NOTIFIED UPON REQUEST.

SHIPPING IN THE US FREE.WILL SHIP ANYWHERE

FITS ONLY 2017-2022 GSXR-1000K17-K22

EMAIL ME IF THERES ANY QUESTIONS

This is intended for a stock bore