H&R 2.5 inch ID Single Race Spring Length 6 inch Rate 550 lbs/inch - R25060550 fits_2004-2006`Infiniti`G35 4 Liter AX4S

4 Liter AX4S

This cover comes with all necessary hardware that includes a machined O-ring groove for a tight leak-free seal

JK Air Intake System

and uneven surfaces

7L turbo diesel Cummins engine demands maximum airflow—and aFe POWER delivers

H&R 2.5 inch ID Single Race Spring Length 6 inch Rate 550 lbs/inch - R25060550 fits_2004-2006`Infiniti`G35 4 Liter AX4SH&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