ADA Racing billet dome for the Kawasaki Ultra 150 and 1200 STX-R engines, includes compression (OR043) and dome-top (OR020) O-rings.
Squish relief is 0.015″ @ 80.5mm with a 16 degree angle.
Domes are sold individually.
Note: Stock is equivalent to 46cc domes. For ’99 models with stock carbs, you need to check your serial# for the correct ignitor. If the serial# is KAW44000 or lower then you need the 44cc dome for premium pump gas. If the serial# is KAW44001 or higher then you can use 42cc domes for premium pump gas.