Isky Cams Outer Valve Springs - 320 lb./in Spring Rate - 0.720" Coil Bind - 1.095" OD (Set of 8) BR20005 1999-2013 Ford F53

1999-2013 Ford F53

Integrated cuffs replace traditional sleeve cuffs

For off-road use only

making it the easiest EFI system you will ever install

Isky Cams Outer Valve Springs - 320 lb./in Spring Rate - 0.720" Coil Bind - 1.095" OD (Set of 8) BR20005 1999-2013 Ford F53Product Description: Valve Spring Outer 260 lb in Spring Rate 0. 720 in Coil Bind 1. 095 in OD Set of 8 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 components, Isky