H&R Sport Springs BMW 6 Series Nissan StopTech Power Slot rotors are

StopTech Power Slot rotors are designed using the highest quality OEM replacement blanks

- Installs over the OEM Strut Tower to Firewall braces

- Injen's groundbreaking rubber "vibra-mount" system cushions against engine torque

torque and out-flowed the factory intake by 43%

You MUST use a SPEC flywheel with the SPEC clutch kits for the V6 Genesis Coupe

H&R Sport Springs BMW 6 Series Nissan StopTech Power Slot rotors areThe most popular spring in H&R's line up! H&R Sport Springs for the 6 Series BMW feature more control and are engineered for the street, making them comfortable and fun to drive. H&R Sport Springs are crafted from a special 54iCr6 spring steel to ensure quality and performance. FITMENT and Estimated Lowering: E63 645Ci 650i Coupe (2004 2011) F: 1. 2, R: 1. 0 E64 645Ci 650i Convertible (2005 2011) F: 1. 4, R: 1. 3 E63 M6 Coupe (2005 up) F: 1. 0, R: 1.