Truck Stage 2 Cam and Spring Kit Includes:1x Stage II Camshaft16x LS Hat Valve Seals16x LS6 Beehive Valve SpringsSpecs:Engine Type: Gen III/Gen IV LSLobe Separation (degrees): 111Camshaft Gear Attachment: 3-boltEngine Combination: GM LS TRUCKCamshaft Style: HYDRAULIC ROLLERIntake Duration at 050 inch Lift: 212Exhaust Duration at 050 inch Lift: 218Duration at 050 inch Lift: 212 int./218 exh.Intake Valve Lift with Factory Rocker Arm Ratio: 0.553 in.Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.553 in.Valve Lift with Factory Rocker Arm Ratio: 0.553 int./0.553 exh.Condition: NewCompatible with: 1999-2013 GM Trucks and SUVs Equipped with 4.8L, 5.3L, 6.0L EnginesPrecise Fit Part Numbers: 31218110, SP011-16The Stage 2 cam a great middle-ground for people looking for added power, while keeping driving characteristics in check. Torque converters play happily with these grinds. Our valve springs are designed, manufactured and tested to keep the correct seat and open pressures on the intake and exhaust valves for a variety of cylinder head applications. Handles valve train stress more efficiently to lessen chances of damage at high RPM's. If you want to purchase a new camshaft and spring kit, we can offer you better products.We are a factory direct sales. Customers can spend a small amount of money and get high quality brand new engine cam springs set. This stage II LS truck camshaft provides excellent value at the cheapest price possible. If you are not sure this item will fit your vehicle, please email us your car photo or provide your vehicle's YEAR, MAKE, MODEL and ENGINE SIZE before you purchase this item.