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Texas Speed & Performance

Texas Speed & Performance

TSP 408 C.I.D. LQ9 Short-Block

base price $4,149.99
item# 25-TSP408SB
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All Texas Speed & Performance 408 C.I.D. LQ9 short-blocks use a new GM LQ9 6.0L iron block!  The standard price includes a fully-assembled GM LQ9 short-block with a 4.00" stroke crankshaft with your choice of 24X or 58X reluctor wheel.
The standard price also includes your choice of Wiseco 4.03" +5cc, -3cc, -8cc, -15cc, -20cc, or -32cc OR TSP/Wiseco exclusive 4.01" -2cc or -10cc piston set. Diamond Racing +10cc, -2cc, -15cc, or -28cc pistons are also available for an additional cost. All Wiseco pistons offered are built to accommodate LS1, LS2, LS6, L92, LS3, and most aftermarket cylinder heads and valve configuration. Diamond pistons are built to accomodate LS1, LS2, and LS6 cylinder heads.

Any Wiseco piston set will use a 4.01" or 4.03" bore piston, and any Diamond Racing piston set will use a 4.03" bore piston. Custom builds are available. We offer multiple brands of connecting rods and crankshafts to suit any type of application. Every engine will come standard with the necessary oil and coolant plugs already installed in the block. Feel free to give us a call, and we will be more than happy to put an itemized estimate together for you! We also offer additional discounts if you pay via a cashier's check or wire transfer. All engines will ship via truck freight, so if are purchasing online the shipping costs listed will NOT be correct! We will contact you with a shipping cost after your order has been placed. All prices listed do not include the applicable shipping costs!

All Wiseco pistons will use a 1.2mm/1.2mm/3.0mm ring pack with a steel top ring and Napier second ring. This will be the standard ring pack used with any of our Wiseco exclusive piston sets, and this ring pack will be offered with any Wiseco off-the-shelf piston set. We have the Wiseco and Diamond Racing piston sets listed under separate categories since there are different ring sets offered for each piston manufacturer. All Wiseco piston sets will use the Wiseco/NPR-specific ring sets, and all Diamond Racing piston sets will use a Total Seal ring set. The Diamond Racing piston sets will come standard with a Total Seal plasma moly ring set, and a steel top ring set is available for an additional cost. We do build many engines to keep in stock, and we do our best to offer a variety to suit everyone’s wants/needs. If you are wanting to use our website to get an engine quote, select your desired piston and ring set and list the other piston and ring set as “do not want”. So, if you want a Wiseco piston and ring set, select the appropriate parts and list the Diamond Racing pistons and rings as “Do Not Want” in the drop-down menus. With that said, not all engines will be in stock. The average build time will normally take three to four weeks once all parts are at the machine shop. This is only an estimate since circumstances and wait times will vary. Please give us a call for an accurate, up-to-date time quote.

For any nitrous setup exceeding a 150HP shot or any boosted application exceeding 10 psi, we recommend a steel top ring set. The steel top ring will handle the added heat of the nitrous and boosted applications much better than a plasma moly top ring set. All of our engines with Wiseco pistons will use a Napier second ring for maximum oil control. This is just another step that we take with all TSP short-blocks to ensure you get the best quality possible!

We do offer an upgrade to 1/2" head studs for those looking to run a large amount of nitrous or boost. The price listed for the 1/2" head stud upgrade will include the cost of the ARP hardware, as well as the necessary machine work. You MUST select a set of PRC aftermarket casting cylinder heads for this upgrade! All of the PRC aftermarket casting cylinder heads already have the larger bolt holes to accommodate 1/2" head studs. The GM castings will not have the larger bolt holes, which would require additional machining. So, please make your cylinder head selection accordingly if you plan to upgrade to 1/2" head studs.

GM does offer a Gen III and Gen IV 6.0L iron block. The Gen III block will be similar to an LS1/LS6 block and will use all necessary LS1 covers, gaskets, and components. However, the Gen III block will use the LS2/LS3 cylinder head bolts. The Gen IV block will be an LS2/LS3 style block that will use the LS2/LS3 lifter trays, timing cover with cam position sensor, valley cover, etc. If you are installing the engine into an LS1/LS6-equipped vehicle, you will need to choose the Gen III block. If you are installing the engine into a 2005 or newer vehicle, you will need a Gen IV block. We also offer an expedite service to be able to have your engine built and ready to ship in as little as five business days! The build time will vary according to parts availability. Give us a call for more information!

All TSP engines will include 12 quarts of Joe Gibbs break-in oil for no additional cost. Proper break-in oil and procedures for your engine are just as important as the build process! The Joe Gibbs break-in oil allows for proper ring sealing against the cylinder walls upon start-up, as well as for the break-in period once the engine is up and running. Most off-the-shelf engine oils do not have the necessary ZDDP additives to allow for proper break-in of a new engine, and we want to take every precaution possible to ensure that your new TSP engine receives a proper break-in!

*Wiseco Pistons  
*Wiseco Piston Ring Set  
*Diamond Pistons  
*Diamond / Total Seal Piston Ring Set  
*Connecting Rods  
*Optional Main Stud Kit  
*Reluctor Wheel  
*Block Design  
*Optional 1/2" Head Stud Upgrade  
*Optional Wrist Pin Upgrade  
*Engine Crate & Cradle for Shipping  

Base Price: $4,149.99
Customized Price: $4,149.99

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Related Tags: Camaro   Chevrolet   Iron   L99   LQ4   LQ9   LS3   LY6   SS   TSP   V8  
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