This is a BRAND NEW pair (that's a set of 2) aftermarket Yamaha Banshee COOL HEAD DOMES
These domes are brand new, available in any size (see our other listings for other sizes
These fit Banshee cylinders with a BIG BORE bore (66mm and above)
Designed for a BANSHEE that uses BLASTER pistons (these have a 9 degree squish band)
Come with upper o-rings already installed
Will work on most aftermarket heads, Pro Design, NOSS, Chariot, VITO's, ModQuad, ADA, etc BUT NOT TRINITY