SF Racing Track Coilovers for 2004-2008 Porsche 911 RWD (997.1) Alpina B7 K'S RWD (S13) is developed

K'S RWD (S13) is developed to satisfy the drivers who frequently take their cars for a spin at the race tracks

Every kit is extensively tested on the XE20 chassis and refined until it balances ride quality with performance — the reason IS350 coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide

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SF Racing Track Coilovers for 2004-2008 Porsche 911 RWD (997.1) Alpina B7 K'S RWD (S13) is developedSF Racing Track Coilovers for the 2004 2008 Porsche 911 RWD (997. 1) are engineered for enthusiasts who demand precision and control on the track. These coilovers are specifically designed with advanced valving in the struts, delivering superior handling and responsiveness tailored for track racing while still being versatile enough for street use. SF Track Coilovers provide a wide range of ride height adjustability below factory height without