H&R 2.5 inch ID Single Race Spring Length 10 inch Rate 550 lbs/inch - R25100550 fits_2007-2014`Jaguar`XK 304 Stainless Steel Brushed Finish

304 Stainless Steel Brushed Finish Tubing

Hawk Performance DTC-80 Race Compound Characteristics:

10 Layer Progressive Cotton Gauze Oiled Media

Vehicle Compatibility: 15-21 Subaru WRX model ONLY

Mishimoto's solution

H&R 2.5 inch ID Single Race Spring Length 10 inch Rate 550 lbs/inch - R25100550 fits_2007-2014`Jaguar`XK 304 Stainless Steel Brushed FinishH&R 2. 50" I. D. Race Springs are made with extremely high tensile strength wire alloy which allows the use of a thinner wire. Manufactured using advanced materials and precision technology in Germany, H&R 2. 50" I. D. Race Springs are crafted from special lightweight (hf) 54SiCr6 spring steel. For any given spring rate, they are on average 15% lighter and have 10% more travel than competitors' springs. Main springs range from 6" to 18" in length and