Cam and lifter kit for Big Block Chevy engines; CL-Kit includes cam, lifters, assembly lube, instructions and decals; Hydraulic - Magnum: Great for street machines. Use headers and 9:1+ compression. In 396-402 use 2500+ stall and lower gears. Rough idle.; 280/280 Advertised Duration, 230/230 Duration .050", .520"/.520" Lift, 110 Lobe Separation; Valve spring upgrade required
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