Cam Up Your Twin Turbo LS Engine with a Summit Racing™ Pro LS Twin Turbo Camshaft
Running a big single turbo or twin turbos on your LS engine? Summit Racing Pro LS Twin Turbo Camshafts are made just for you. The cams have increased overlap comparted to our standard turbo cams to take advantage of the better turbine housing flow a big single or twin turbo setup provides. That means more high RPM horsepower.
The Summit Racing Pro LS Twin Turbo Camshafts are recommended for large cubic inch engines and race applications where an open front exit exhaust is used.
Stage 3 Twin Turbo CamshaftThe Stage 3 Twin Turbo cam spools quicker than the other twin turbo cams and pulls hard through the mid-range and has good top-end power. It has a noticeable lope. A free-flowing exhaust is a must. A 3,400+ RPM stall torque converter is recommended.Duration @.050 Inch: 234°/238°Lift with Factory Rocker Ratio: 0.625″/0.600″ Lobe Separation: 115°RPM Range: 3,600-7,100
Stage 4 Twin Turbo CamshaftThe Stage 4 Twin Turbo cam trades bottom end and a bit of turbo spool for more top-end power. It is the largest cam that usually works without flycutting. It has a serious lope and a free-flowing exhaust is a must. A 3,600+ RPM stall torque converter is recommended.Duration @.050 Inch: 240°/242°Lift with Factory Rocker Ratio: 0.625″/0.605″ Lobe Separation: 116°RPM Range: 3,800-7,300
Stage 4.5 Twin Turbo CamshaftThe Stage 4.5 Twin Turbo cam has an unmistakable lope and is designed for large turbine/A.R. twin-turbo applications. It makes excellent mid-range and top-end power. Flycutting pistons is likely. A 4,000+ RPM stall torque converter is recommended. Open exhaust required.Duration @.050 Inch: 242°/248°Lift with Factory Rocker Ratio: 0.625″/0.605″ Lobe Separation: 116°RPM Range: 4,000-7,500
Stage 5 Twin Turbo CamshaftThe Stage 5 Turbo cam is designed for 6.0L and larger engines with short runner intakes and a large turbine/A.R.T6 single turbo or twin turbos. Piston flycutting and open exhaust required. A 4,500+ RPM stall torque converter is recommended.Duration @.050 Inch: 247°/251°Lift with Factory Rocker Ratio: 0.625″/0.605″ Lobe Separation: 117.5°RPM Range: 4,200-7,700
Stage 5.5 Twin Turbo CamshaftThe Stage 5 Turbo cam is designed for 6.2L and larger engines with short runner intakes and a large turbine/A.R.T6 single turbo or twin turbos. Piston flycutting and open exhaust required. A 5,000+ RPM stall torque converter is recommended.Duration @.050 Inch: 251°/255°Lift with Factory Rocker Ratio: 0.625″/0.615″ Lobe Separation: 117°RPM Range: 4,500-8,000
CHECK OUT THE SUMMIT RACING PRO LS TWIN TURBO CAMSHAFTS FOR GM LS ENGINES
