Isky Cams 7 Degree Steel Valve Spring Retainers - Set of 16 - Use w/ #ISK6005, 6105 Valve Springs Suspension Load Stick Also fits Chevrolet 1958 to

Also fits Chevrolet 1958 to 1964 Full Size models with a 6 or 8 cylinder engine using a Chevrolet manual transmission without a console

2004-2005 Workhorse FasTrack FT1601

Noticeable interior resonance

1970-1974 Stutz Blackhawk

Isky Cams 7 Degree Steel Valve Spring Retainers - Set of 16 - Use w/ #ISK6005, 6105 Valve Springs Suspension Load Stick Also fits Chevrolet 1958 toIsky 4130 chrome moly steel retainers are ideal for most oval track applications. They are engineered to last a lifetime. As the world's largest racing, performance, and economy cam manufacturer, Isky maintains a dynamometer testing program for constant improvement of camshaft and valve train design. These tests are conducted daily in Isky's new enlarged dyno facility. To properly evaluate and prove the efficiency of Isky racing cams and valve train