Please Carefully Check All Pictures and Part Numbers in the Listing to Make Sure It's the Correct Product you Need

Part Number: E1840P HL2148S 9951 PAC1218

Applications:
For Chevrolet LS LS1 5.3L 6.0L .585 inches

Product Information:
Camshaft:
Chevy LS-Series Engine 1997-Up
Not for use with AFM/DOD
RPM Range: 2200 to 5400 RPM
Intake Valve Lift: .585"
Exhaust Valve Lift: .585"
Advertised Intake Duration: 283°
Advertised Exhaust Duration: 286°
Intake Duration at .050": 228°
Exhaust Duration at .050": 230°
Lobe Separation: 112°
Intake Centerline: 108°
Cam Gear Attachment: 3-Bolt

Springs:
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

Valve Lifters:
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 Included: Camshaft x 1 Valve Lifters x 16 Beehive Springs x 16

It Is a Replacement Part, Not Original Part. But It Can Work Good For You