For some bushes, Powerflex offer a version in their Black Series. Powerflex Black Series bushes are manufactured using a Black 95 Shore A compound to provide maximum control of chassis geometry. They are designed for the track, ready to race and are engineered to be the best.
Rear Subframe Rear Bush from Powerflex.
This replaces the complete bush, for inserts use PFR69-822BLK which fit above and below the original bush.
Powerflex are proud to offer a Lifetime Warranty on the entire range of products they manufacture. They will replace any Powerflex product that any customer in the world is unhappy with for any reason.