Perrin Differential Lock Down System Subaru WRX / STI 2015-2021 | PSP-SUS-536 ModelX_2015-2021 02-07 Subaru WRX Sedan and

02-07 Subaru WRX Sedan and Wagon / 03-07 Subaru Impreza Non-Turbo / 04-07 Subaru STi / 93-00 Subaru Impreza Non-Turbo

Recommend full engine disassembly for installation: removal of camshafts

Allows easy mounting of Tial Q or QR Blow off Valve to standard 1

World Rally Racing teams and to such elite companies as Ferrari and Porsche

Better chassis balance

Perrin Differential Lock Down System Subaru WRX / STI 2015-2021 | PSP-SUS-536 ModelX_2015-2021 02-07 Subaru WRX Sedan andFitment Information: 2015 2021 Subaru WRX 2015 2021 Subaru STI Features: Designed to remove any and all movement from the rear differential under all driving conditions Ideal for street driving or track use Removes the spongy feeling at the point of initial acceleration Plate Material CNC Aluminum Plate Finish Anodize Black Easy Installation Estimated Installation Time 30 Minutes Installation Instructions In The Box: (2) PERRIN Aluminum Lock Down