Isky Cams Roller Camshaft - SB Chevy - RR-652 Roller Grind - RPM Range 3800-7400 RPM - .650"-.645" Lift, 286-298 Duration, 256-264 Duration @ .050", 106 Lobe Center Hex Head Plugs 635" ID triple valve spring

635" ID triple valve spring

Unlike other quickeners

1963-1969 Iso Rivolta

Recent Two Chamber Improvement

Isky Cams Roller Camshaft - SB Chevy - RR-652 Roller Grind - RPM Range 3800-7400 RPM - .650"-.645" Lift, 286-298 Duration, 256-264 Duration @ .050", 106 Lobe Center Hex Head Plugs 635" ID triple valve springIsky's popular roller camshafts for late models and modifieds are in winning race cars everywhere. 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