Isky Cams Oval Track Solid Flat Tappet Camshaft - SB Chevy - 545 Grind - 2500-6700 RPM Range - Advertised Duration 278, 278 - Duration @ .050" 250, 250 - Lift .545", .545" - 108 Lobe Center FR Underwear Top Fully Supported CountershaftThe countershaft is

Fully Supported CountershaftThe countershaft is fully supported by needle bearings on a hardened steel shaft

1991-2000 Chevrolet C2500

Features: Die Cast aluminum construction

Bosch Style Injectors

Isky Cams Oval Track Solid Flat Tappet Camshaft - SB Chevy - 545 Grind - 2500-6700 RPM Range - Advertised Duration 278, 278 - Duration @ .050" 250, 250 - Lift .545", .545" - 108 Lobe Center FR Underwear Top Fully Supported CountershaftThe countershaft isSingle pattern overlap reduced for restricted intake classes (Late model stock) 3 8 mile track long rod applications. 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