H&R 2.5 inch ID Single Race Spring Length 12 inch Rate 600 lbs/inch 2013-mazda-mx-5-miata-esi5251655 8L (3TC) 12pt Head Stud

8L (3TC) 12pt Head Stud Kit

generic coilover kit

While the fittings remain the same size to ensure a direct fitment with the factory components

Rays 17 Hex Racing Lock Nut Set L25 Short Type 12x1

Koni 1145 SPORT KIT 15-19 Audi A3 Quattro Hatchback TDI

H&R 2.5 inch ID Single Race Spring Length 12 inch Rate 600 lbs/inch 2013-mazda-mx-5-miata-esi5251655 8L (3TC) 12pt Head StudH&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