COMPETITION HEAD GASKET(.43mm THINNER THAN STOCK)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

SHIPPING IN THE US IS FREE...WILL SHIP ANYWHERE

Thickness available in  .25mm (stock is .68mm)

This is intended for a stock bore I have 

.44 mm available upon request

***FITS ZX-6'S PLEASE SPECIFY YEAR*** Have available for all years

EMAIL ME IF THERES ANY QUESTIONS