Lingenfelter offers this kit with all the items you need to delete the DOD or Displacement on Demand used on the 2010-2015 L99 Camaro and 2007-13 General Motors trucks.
You will also need to select one of the Lingenfelter GT series camshafts or other aftermarket camshafts not designed to work with the DOD option.
DOD Delete kit includes:
1-L200175307 Three bolt cam conversion
1-12499225 LS3 lifters
1-12599296 LS3 valley cover
1-12600326 LS2 LS3 front timing cover
1-12585673 Front crankshaft seal
1-12633904 Timing cover gasket
8-11515758 Bolt M8 x 1.25 x 30, 10.9
1-11588712 Bolt, M6 x 1 x 20, 8.8
1-12627501 Camshaft position sensor harness
1-12591720 Camshaft position sensor
4-12595365 LS3 lifter guides
2-17800568 GM Head bolts