H&R 2.5 inch ID Single Race Spring Length 6 inch Rate 450 lbs/inch - R25060450 fits_1979-1993`Ford`Mustang 2L is designed to meet

2L is designed to meet OEM specifications to keep your engine as cool as the day it rolled off the lot

pre-oiled 360-degree radial flow air filter features a 4” flange and our pre-oiled Pro 10R media with ten layers of progressively finer cotton gauze media for maximum performance and filtration

This kit also comes with the popular eccentric lockout kit to replace the OEM eccentric bolts

no splicing

pre-formed application-specific SAE J30R7 hoses

H&R 2.5 inch ID Single Race Spring Length 6 inch Rate 450 lbs/inch - R25060450 fits_1979-1993`Ford`Mustang 2L is designed to meetH&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