Genuine OEM GM Fuel Rail Assembly for 2007-13 LS Truck TBSS/NNBS Intake Manifold Genuine OEM GM Fuel Rail Assembly for 2007-2013 LS Truck TBSS/NNBS Intake Manifold Genuine OEM GM fuel rails for 07-13 TBSS/NNBS style intakes. These rails are designed to use MULTEC 2 or USCAR... MSRP: Was: Price: Now: $179.99 Quick view Add to Cart SKU: 12660709