Isky Cams Oval Track Hydraulic Flat Tappet Camshaft - SB Chevy - 270-Mega Grind - 2000-6200 RPM Range - Advertised Duration 270, 270 - Duration @ .050" 221, 221 - Lift .465", .465" - 108 Lobe Center H764009 Matte Black Trim

Matte Black Trim

497" long pushrod set works perfectly with High Energy or Magnum rockers

4340 steel or titanium

1990-1991 Chevrolet R3500

Isky Cams Oval Track Hydraulic Flat Tappet Camshaft - SB Chevy - 270-Mega Grind - 2000-6200 RPM Range - Advertised Duration 270, 270 - Duration @ .050" 221, 221 - Lift .465", .465" - 108 Lobe Center H764009 Matte Black TrimHobby stock & street stock clsses; 1 4 3 8 mile tracks with slight bank 2BBL carburetor 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 maintains a