New TBSS Intake Manifold w/ Fuel Rails & 50lb Injectors

New TBSS/NNBS truck intake manifold assembly, including new fuel rails, and new 50lb/hr injectors.   IMPORTANT NOTE: With GM's discontinuation of the 2007-2009 intake casting, we are now using 2010-2013 intake castings. These castings are identical with two small exceptions: the new casting uses a removable PCV fitting/hose AND uses the Gen IV style MAP sensor. These intakes require the 2010-2013 style map retainer and are NOT compatible with the 2007-2009 TBSS MAP retainer clips. To help with your install, check out our intake swap FAQ found here. This is one of the highest flowing factory intakes available for the LSX engine platform. Originally equipped on the 6.0L LS2 Trailblazer SS, this intake is known for its ability to support huge top end power, while maintaining low and midrange torque. A common upgrade for 99-07 Silverado, this intake has significant gains on the 4.8, 5.3, and 6.0 engine displacements. This intake is compatible with the OEM cathedral port cylinder heads foun