PRO-TEK CIRCLE TRACK CAM KIT - CK-E922-P

Fair idle quality with lope. Good mid-range torque and response in 2,400-3,200 range. Operating power range 2,000-4,800 RPM. Compression 10.3 to 1 or less. Will work with stock or slightly modified engine, stock automatic or manual transmission. recommended spring pressure 110 lbs. for valve on seat: 280 lbs. for valve open. Axle ratio at 3.70 to 1 or higher is best. (Hydraulic: 210-225 Effective duration) (Mechanical: 220-235 Effective Duration)