EBC S4 Kits Redstuff Pads & USR Rotors (Front 340x30mm)EBC Red Stuff Brake Pads allow you to stay in complete control of your high performance muscle car or sport compact. Test results show that they've been able to stop sports cars 42 feet ahead of stock pads! Your car will stop on a dime with EBC Red Stuff Brake Pads 50% less dust than OEM replacement pads leaves your wheels sparkling clean Can be used on the race track (Yellow Stuff pads recommended for track use) Red Stuff Brake Pads are custom built

Mercedes SLK R172 STANDARD/AMG version 2011 -2015

OE Part #   1J0-820-721-R / 1J0820721 R / 1J0 820 721 R / 1J0820721R

- (4) Torx Head Screws 6x18

The original single bypass valve also did not flow enough gasses at full throttle

or Diamond Black

Accepts all attaching OEM components including “quick-connect” hoses

S3 or RS4 Fuel Injectors and HPFP upgrade (EA113 engines only) – check with your tuner

Default Spring Rates:Front 8k Rear 8k

1-3/4" into 2" mandrel-bent 304 stainless steel tubing for strength and durability

JE Pistons

HPA’s CAD-designed installation brackets allow for model specific fitment of the front mount radiator and water pump

Say goodbye to the days of broken stock plastic inlet and outlet connections