H&R 09-12 Porsche 911/997 Carrera C4S Coupe/Cabrio Sport Spring (Okay w/PASM) Cooling>Thermostats

H&R 09-12 Porsche 911/997 Carrera C4S Coupe/Cabrio Sport Spring (Okay w/PASM) Cooling>ThermostatsSport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lower wind resistance signature will make the vehicle more streamlined and improve gas mileage. If you are only looking to improve one part of your vehicle's

Includes premium quality struts

Turbosmart IWG75 Universal 150mm Rod 7 PSI Black Internal Wastegate Actuator

as well as produce downforce themselves on the front axle of the car

7 psi or 30in/Hg (inches of mercury)

Tip Diameter - Large single 4

All Competition Clutch Kits Include:

Includes high temperature

and mounting hardware that allows for as low as a three-inch drop (sometimes more)

Skunk2 Alpha Series valves are manufactured from HNV3 martensitic steel (IN) and EV8 austenitic steel (EX) one-piece forgings

This kit includes all the components necessary for installation including the bolts and nuts

P/N 23400 California Residents WARNING

Highspeed stability is also enhanced