Whiteline Rear Differential Lock Kit 02-07 WRX / 03-07 Impreza NA / 04-07 STI / 93-00 Impreza NA | KSB751 Vehicle Model_Miata This assembly is designed to

This assembly is designed to provide extended life and superior holding power for cars with moderate power upgrades and more enthusiastic driving in extreme conditions

SFI Approved: Yes

Perrin front swaybars are made from mandrel bent 4130 steel and then powdercoated to provide years of fun

TurboXS's standard boost controller is a simple

STi owners will also need to purchase the a blow off valve adapter kit (WS08-FMIC-BPV) to install the factory bypass valve

Whiteline Rear Differential Lock Kit 02-07 WRX / 03-07 Impreza NA / 04-07 STI / 93-00 Impreza NA | KSB751 Vehicle Model_Miata This assembly is designed toPart #: KSB751 The Whiteline rear differential support lock kit for the 02 07 WRX & 04 07 STI is simple and inexpensive rear end bushing kit that will make a significant difference in the day to day driving experience of your Subaru. The stock rear end on the WRX & STI can suffer from excessive play and slop as well as the notorious the 1 2 upshift "clunk" due to soft rubber OE bushings. Reinforcing the flimsy stockers with Whiteline's performance