Harness allows use of the factory Vortec intake manifold. 1 x Stand alone Wire Harness. Remove the old harness from the original car, install a new harness, and dock the corresponding plugs for plug and play.
NEW DART LS3 HEAD & CAM COMBO (UPGRADE LS1 LS2 TO LS3 BIG POWER)
NEW FOR 2003-2007 LS3 4.8 5.3L 6.0L DBW STAND ALONE WIRING HARNESS DRIVE BY WIRE
6.2L Fits for LS3 LS2 6.2L 6L80E 6L90E 58X DBW 2006-2015 NEW US 1x USA TR6060
New 8X LS3/LS7/LS9/L76 Short Fuel Injector Adapter Spacer for LS1 LS2 Manifold
SNF-33343 Snow Performance Billet Fuel Rail Kit For LS3 Intake w/ LS3 Injectors
FAST 146027 Red Anodized Billet Fuel Rail Kit for LS3 LS7 L76 L99 w/ LSXR Intake