Bilstein B4 Saab 9-3 (YS3F)R Twintube Shock Absorber - 19-140087 fits_2015-2020`Ford`Mustang`Shelby GT350~2015-2020`Ford`Mustang`Shelby GT350R~2020`Ford`Mustang`Shelby GT500 Dyno Proven gains of up

Dyno Proven gains of up to 12 hp and 10 lb-ft

Up to 23& Flow Increase

smoother articulation

Allows for proper centering of the axle housing on lowered vehicles

4L Gt500 Lash Adjusters — manufactured by Ford Performance Parts (Ford Motor Company)

Bilstein B4 Saab 9-3 (YS3F)R Twintube Shock Absorber - 19-140087 fits_2015-2020`Ford`Mustang`Shelby GT350~2015-2020`Ford`Mustang`Shelby GT350R~2020`Ford`Mustang`Shelby GT500 Dyno Proven gains of upBilstein B4 OE Replacement dampers are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. These dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world famous Bilstein quality. Features High power reserves for maximum safety High OE quality Restores original