New Genuine GM TBSS/NNBS Intake Manifold with Fuel Rails, LS3 Throttle Body and 50lb/hr Injectors
This Listing Includes the Following:
OEM GM Trailblazer SS Intake Manifold - GM Part Number 12638038
OEM GM TBSS/NNBS Fuel Rails - GM Part Number 12660709
Delphi 50lb/hr (58 PSI) Fuel Injectors - Part Number 12613412 (QTY 8)
OEM GM LS3 90mm Drive-By-Wire Throttle Body - Part Number 12605109
OEM GM Fuel Injector Retainer Clips - Part Number 12570620 (QTY 8)
Fuel Rail Mounting Hardware
TBSS Intake Throttle Body Gasket
Throttle Body Mounting Hardware
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. Listing photos may differ from actual intake due to these differences.
We are an authorized General Motors and AC Delco Associate Distributor Program (ADP) parts supplier and have been putting together TBSS intake packages for close to a decade now. Not only do we handle the intake packages, but also many of the components needed to swap or adapt these to the earlier style LS engines. Don't be fooled by other vendors who have attempted to piggyback on our success - we have supported this market for years, sold thousands of these intakes online, and have even developed and manufactured parts to assist in the ease of installation for these intake swaps.
The Trailblazer SS (TBSS) intake 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 found on GEN III truck engines, such as
the LQ4, LQ9, LM7, and others. Suitable for any cathedral port LSX based
project or restomod, and the best bang-for-buck intake manifold upgrade out
there.
This intake uses the 4-bolt pattern 90mm throttle body opening and is cathedral port. The OEM GM TBSS fuel rails are returnless, but can be adapted to return style fuel systems using a C5 fuel filter/regulator (see our store). The Delphi 12613412 fuel injectors use EV6 style plugs, but Multec II to EV6 adapters can be used when adapting this intake to 99-07c non-Flex Fuel GM Trucks.
RETURNSPlease read the listing entirely as returns are typically not accepted and may be subject to a 20% restocking fee. If you have any questions or are unsure of something, please ask before purchasing. Cancellations will not be made for purchasing errors. It is the buyer's responsibility to make sure that they enter the correct shipping information at the time of purchase. Once an item has shipped, we can not make edits to the shipment, including the shipping address provided.
SHIPPINGMost items ship in 1-2 business days. Shipping is available for customers outside of the Contiguous United States, please contact us for the best and most accurate rate quote.
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