The Sloppy Stage 2 Camshaft is a cam with a fairly aggressive profile. It will have a nice Lopey Idle and make tons of power all while keeping costs low. This cam is a great choice for those daily drivers that like a nice Lopey/Choppy idle. Great for Cars, Trucks, SUV's, Street Rods, and LS Swaps. There is no hiding this cam as will will have a muscle car sounds to it. Everyone will take note of this street warrior. Automatic's will perform best with a 2,600-2,800 Stall Converter. Choose the kit that is best for you. We have matched common components that are often used when installing this camshaft. Specification: *1. Camshaft Compatibility: for Chevy LS-Series Engine 1997-Up Not for use with AFM/DOD Camshaft RPM Range: 2200 to 5400 RPM Camshaft Intake Valve Lift: .585" Camshaft Exhaust Valve Lift: .585" Camshaft Advertised Intake Duration: 283° Camshaft Advertised Exhaust Duration: 286° Camshaft Intake Duration at .050": 228° Camshaft Exhaust Duration at .050": 230° Camshaft Lobe Separation: 112° Camshaft Intake Centerline: 108° Camshaft Cam Gear Attachment: 3-Bolt *2. Number of Springs Per Valve: Single Outside Diameter of Outer Spring (in): 1.290 in. Spring Coil Bind Height (in): 1.140 in. Damper Spring Included: No Spring Install Load: 130lbs Spring Install Height: 1.800" Spring Open Height: 1.175" Spring Open Load: 318 lbs Spring Rate (lbs/in): 313 lbs./in. Inside Diameter of Outer Spring (in): 0.885 in. Valve Spring Style: Beehive *3. Set of 16 Elgin Roller Lifters for 1997-2015 Chevy/GM LS Series Factory Roller applications without Active Fuel Management. Lifters Fitment includes: 1999-2012 Trucks/SUVs 4.8L V-8 VIN-V,C,A 1999-2007 Trucks/SUVs 5.3L V-8 VIN-T,Z,B 1997-2004 5.7L LS1 V-8 2001-2005 5.7L LS6 V-8 1999-2010 Trucks/SUVs 6.0L V-8 VIN-U,K 2005-2009 6.0L LS2 V-8 2008-2013 6.2L LS3 V-8; without AFM 2006-2013 7.0L LS7 V-8 Also fit Factory Roller 93-97 LT1, and 305-350 Chevy Engines. Package Include: Camshaft + 16pcs Matching Pac 1218 Springs + 16pcs Valve Lifters Notice: 1.Please allow 1-3cm error due tomanualmeasurement.Pls make sure you do not mind before you bid. 2.The color may have different as the difference display,pls understand.