H&R 60mm ID Single Race Spring Length 200mm Spring Rate 70 N/mm or 400 lbs/inch - RF200070 fits_1990-1995`Mazda`Cosmo No cutting is required

No cutting is required

Air adjustable from 5 to 100 PSI

Premium stainless steel clamps and a silicone coupling are used for strength and durability while providing the most secure installation possible

A pliable polyurethane flange with integrated bumps insures a tight leak-free seal over the life of the filter

Installs in one hour

H&R 60mm ID Single Race Spring Length 200mm Spring Rate 70 N/mm or 400 lbs/inch - RF200070 fits_1990-1995`Mazda`Cosmo No cutting is requiredH&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