Our 8"" Dual Diaphragm zinc Power Brake Booster is 100% brand new, not rebuilt like other models!
Dual Diaphragm boosters offers upto 19% better stopping power over single diaphragm booster.
This booster is universal, bolting up to Holden HQ, HJ, HX, HZ models and other vehicles with no problem.
This is a safe and inexpensive way to upgrade the safety of your ride.
the measurments are 130mm long and 195mm diametre
Additional benefits are, if you use the tall type valve covers or the big block chevy engine conversion the valve covers can touch the factory booster and damage those pretty new valve covers, using this booster will prevent this happening .