H&R 60mm ID Single Race Spring Length 300mm Spring Rate 45 N/mm or 257 lbs/inch - RF300045 Drivetrain Gains of up to 12

Gains of up to 12 hp and 11 ft-lbs of torque on a stock tune

improved cylinder airflow

wide core that completely fills the front bumper opening for maximum airflow through the core

Mishimoto proudly introduces its Nissan 370Z Silicone Air Intake Hose Kit

H&R 60mm ID Single Race Spring Length 300mm Spring Rate 45 N/mm or 257 lbs/inch - RF300045 Drivetrain Gains of up to 12H&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