Whiteline 08+ Subaru WRX Hatch / 08-09 Subaru STi Rear Diff Mount Inserts positive power kit 2018-subaru-wrx sti-base The unique inserts feature small

The unique inserts feature small passages that allow needed coolant flow to the deck surface

The IAG V2 Competition Series Air Oil Separator Replacement Hose Line & Hardware Install kit includes all the hoses

ACT's 4-pad rigid race discs are made with high quality

patent pending

Digital laser measurements of interior surfaces offer a consistently perfect fit

Whiteline 08+ Subaru WRX Hatch / 08-09 Subaru STi Rear Diff Mount Inserts positive power kit 2018-subaru-wrx sti-base The unique inserts feature smallWhiteline 08+ Subaru WRX Hatch 08 09 Subaru STi Rear Diff Mount Inserts positive power kit Whiteline's differential insert bushings work within the voids of the original factory bushing to ensure pinion angles are maintained while delivering an improved gear shift resulting in reduced initial torque loss and greater power transfer to the wheels.