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Texas Speed & Performance TSP-427SB-L8T-STD10 Short Block
If you’re serious about performance upgrades for your GM vehicle, the TSP-427SB-L8T-STD10 from Texas Speed & Performance is a game changer. Known as "The Iron Giant," this 427ci (7.0L) Iron LT Gen V Short Block is designed for those who demand power and reliability without the long wait times typically associated with custom builds.
Why Choose the TSP-427SB-L8T-STD10?
Texas Speed has streamlined their short-block program to deliver these high-performance engines faster than ever. Each engine is constructed with the same meticulous attention to detail and quality as their custom builds, meaning you get a pre-assembled powerhouse ready to drop into your ride. All engines undergo rigorous balancing, blueprinting, and assembly in-house, ensuring they meet TSP's exacting standards.
Technical Specifications
- GM Gen 5 Iron 6.6L L8T Block - Bored to 4.125" Bore
- Displacement: 427ci / 7.0L
- ARP Main Bolt Kit for added strength
- TSP 4.000" Forged LT Crankshaft - 58x Reluctor - 8-Bolt
- TSP/Wiseco Forged 4.125" LT Pistons - Suitable for Boost or Naturally Aspirated Applications with Valve Reliefs
- TSP 6.125" H-Beam Connecting Rods or K1 Technologies 4340 Steel 6.125" H-Beam Connecting Rods
- Capable of supporting up to 1000 HP
Fitment
This short block is compatible with a wide range of GM models, making it an excellent choice for various performance builds:
- Cadillac CT5-V Blackwing 2022-2023
- Cadillac CTS-V 2004-2019
- Cadillac Escalade 2005-2014
- Chevrolet Camaro 1998-2015
- Chevrolet Colorado 2004-2012
- Chevrolet Corvette 1997-2013
- Chevrolet Silverado 1500 1999-2013
- Chevrolet SS 2014-2017
- Chevrolet Suburban 2000-2014
- Chevrolet Tahoe 2000-2014
- Chevrolet Trailblazer 2006-2009
- GMC Sierra 1500 1999-2013
- GMC Yukon 1999-2014
- Pontiac Firebird 1998-2002
- Pontiac G8 2008-2009
- Pontiac GTO 2004-2006
- Universal Retrofit 1997-2024
Important Note
- This engine is a direct fit for LTX trucks; however, LTX cars may require front accessory modifications for proper installation.
What Owners Are Saying
Fellow Chevrolet Camaro owners have reported impressive results after installing the TSP-427SB-L8T-STD10. One owner shared, "I dropped this short block into my 2010 Camaro SS, and the power increase was immediate. The fit was perfect, and I love how it handles at high RPMs!"
Upgrade your engine with the TSP-427SB-L8T-STD10 and experience the difference that quality craftsmanship and performance engineering can make in your vehicle.
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Cadillac CT5 | 2022-2023 | V Blackwing |
| Cadillac CT5 | 2022-2023 | V |
| Cadillac CTS | 2004-2007, 2009-2019 | V |
| Cadillac CTS | 2012 | V Black Diamond |
| Cadillac CTS | 2013-2014 | V Luxury |
| Cadillac CTS | 2013-2014 | V Premium Black Diamond |
| Cadillac CTS | 2014-2016 | Vsport Premium |
| Cadillac CTS | 2014-2019 | Vsport |
| Cadillac CTS | 2017-2019 | Vsport Premium Luxury |
| Cadillac Escalade | 2005-2014 | Base |
| Cadillac Escalade | 2008-2014 | Platinum |
| Cadillac Escalade | 2009-2013 | Hybrid |
| Cadillac Escalade | 2010-2013 | Hybrid Platinum |
| Cadillac Escalade | 2011-2014 | Premium |
| Cadillac Escalade | 2011-2014 | Luxury |
| Cadillac Escalade | 2012 | Special Edition |
| Cadillac Escalade ESV | 2005-2014 | Base |
| Cadillac Escalade ESV | 2008-2014 | Platinum |
| Cadillac Escalade ESV | 2010 | Lujo |
| Cadillac Escalade ESV | 2011-2014 | Luxury |
| Cadillac Escalade ESV | 2011-2014 | Premium |
| Cadillac Escalade ESV | 2012 | Special Edition |
| Cadillac Escalade EXT | 2005-2013 | Base |
| Cadillac Escalade EXT | 2011-2013 | Luxury |
| Cadillac Escalade EXT | 2011-2013 | Premium |
| Chevrolet Camaro | 1998 | Lujo |
| Chevrolet Camaro | 1998-2002 | Base |
| Chevrolet Camaro | 1998-2002 | Z28 |
| Chevrolet Camaro | 1998-2002 | Z28 SS |
| Chevrolet Camaro | 2010-2015 | LT |
| Chevrolet Camaro | 2010-2015 | SS |
| Chevrolet Camaro | 2010-2015 | LS |
| Chevrolet Camaro | 2011-2012 | 1LT |
| Chevrolet Camaro | 2011-2012 | 1SS |
| Chevrolet Camaro | 2011-2012 | 2SS |
| Chevrolet Colorado | 2004-2005 | Z71 |
| Chevrolet Colorado | 2004-2005 | Sport |
| Chevrolet Colorado | 2004-2005 | Z85 |
| Chevrolet Colorado | 2004-2005 | Sport LS |
| Chevrolet Colorado | 2004, 2006-2008 | LS |
| Chevrolet Colorado | 2004-2012 | Base |
| Chevrolet Colorado | 2004-2005 | Z85 LS |
| Chevrolet Colorado | 2004-2005 | Z71 LS |
| Chevrolet Colorado | 2006-2012 | LT |
| Chevrolet Colorado | 2006-2012 | WT |
| Chevrolet SS | 2014-2017 | Base |
| Chevrolet Silverado 1500 | 1999-2012 | Base |
| Chevrolet Silverado 1500 | 1999-2013 | LS |
| Chevrolet Silverado 1500 | 1999-2013 | LT |
| Chevrolet Silverado 1500 | 2002-2013 | WT |
| Chevrolet Silverado 1500 | 2002 | Custom |
| Chevrolet Silverado 1500 | 2003-2006 | SS |
| Chevrolet Silverado 1500 | 2004-2006, 2009-2013 | Hybrid |
| Chevrolet Silverado 1500 | 2004-2005 | Z71 Off-Road |
| Chevrolet Silverado 1500 | 2007-2013 | LTZ |
| Chevrolet Silverado 1500 | 2010-2013 | XFE |
| Chevrolet Silverado 1500 Classic | 2007 | SS |
| Chevrolet Silverado 1500 Classic | 2007 | Hybrid |
| Chevrolet Silverado 1500 Classic | 2007 | LS |
| Chevrolet Silverado 1500 Classic | 2007 | WT |
| Chevrolet Silverado 1500 Classic | 2007 | LT |
| Chevrolet Silverado 1500 HD | 2001-2003, 2005 | LS |
| Chevrolet Silverado 1500 HD | 2001-2003, 2005-2006 | LT |
| Chevrolet Silverado 1500 HD | 2005 | Base |
| Chevrolet Silverado 1500 HD Classic | 2007 | LT |
| Chevrolet Suburban | 2014 | LT |
| Chevrolet Suburban 1500 | 2000-2012 | Base |
| Chevrolet Suburban 1500 | 2000-2014 | LS |
| Chevrolet Suburban 1500 | 2000-2014 | LT |
| Chevrolet Suburban 1500 | 2002-2006 | Z71 |
| Chevrolet Suburban 1500 | 2006-2014 | LTZ |
| Chevrolet Suburban 1500 | 2010 | 75 Aniversario Diamond Edition |
| Chevrolet Suburban 2500 | 2000-2013 | LS |
| Chevrolet Suburban 2500 | 2000-2001, 2009-2012 | Base |
| Chevrolet Suburban 2500 | 2000-2013 | LT |
| Chevrolet Suburban 2500 | 2007 | LTZ |
| Chevrolet Tahoe | 2000 | Limited |
| Chevrolet Tahoe | 2000-2014 | LT |
| Chevrolet Tahoe | 2000-2014 | LS |
| Chevrolet Tahoe | 2000-2001, 2006-2009, 2011-2012 | Base |
| Chevrolet Tahoe | 2000, 2002-2006, 2008-2010 | Z71 |
| Chevrolet Tahoe | 2007-2014 | PPV |
| Chevrolet Tahoe | 2007-2014 | LTZ |
| Chevrolet Tahoe | 2008-2013 | Hybrid |
| Chevrolet Tahoe | 2012-2014 | SSV |
| Chevrolet Tahoe | 2014 | Police |
| Chevrolet Trailblazer | 2006-2009 | SS |
| Chevrolet Trailblazer | 2006-2009 | LT |
| Chevrolet Trailblazer | 2006-2007 | LS |
| Chevrolet Trailblazer | 2006-2007 | B |
| Chevrolet Trailblazer | 2006-2008 | Base |
| Chevrolet Trailblazer | 2006-2007 | A |
| Chevrolet Trailblazer EXT | 2006 | B |
| Chevrolet Trailblazer EXT | 2006 | LT |
| Chevrolet Trailblazer EXT | 2006 | LS |
| Chevrolet Trailblazer EXT | 2006 | Base |
| GMC Sierra | 2007-2009, 2011-2012 | Base |
| GMC Sierra | 2008-2013 | Denali |
| GMC Sierra | 2010, 2013 | SLT |
| GMC Sierra | 2013 | SLE |
| GMC Sierra 1500 | 1999-2013 | SLT |
| GMC Sierra 1500 | 1999-2003, 2006-2013 | SL |
| GMC Sierra 1500 | 1999-2013 | SLE |
| GMC Sierra 1500 | 2001 | C3 |
| GMC Sierra 1500 | 2002-2013 | Denali |
| GMC Sierra 1500 | 2002 | HT |
| GMC Sierra 1500 | 2002-2005 | Base |
| GMC Sierra 1500 | 2002-2013 | WT |
| GMC Sierra 1500 | 2005-2006, 2009-2013 | Hybrid |
| GMC Sierra 1500 | 2010-2013 | XFE |
| GMC Sierra 1500 Classic | 2007 | SLE |
| GMC Sierra 1500 Classic | 2007 | Denali |
| GMC Sierra 1500 Classic | 2007 | SL |
| GMC Sierra 1500 Classic | 2007 | SLT |
| GMC Sierra 1500 Classic | 2007 | Hybrid |
| GMC Sierra 1500 Classic | 2007 | WT |
| GMC Sierra 1500 HD | 2001-2003, 2005-2006 | SLT |
| GMC Sierra 1500 HD | 2001-2003, 2005-2006 | SLE |
| GMC Sierra 1500 HD Classic | 2007 | SLE |
| GMC Sierra 1500 HD Classic | 2007 | SLT |
| GMC Sierra 2500 | 1999-2002 | SL |
| GMC Sierra 2500 | 1999-2004 | SLE |
| GMC Sierra 2500 | 1999-2004 | SLT |
| GMC Sierra 2500 | 2002-2004 | Base |
| GMC Sierra 2500 | 2003-2004 | WT |
| GMC Sierra 2500 HD | 2001-2013 | SLE |
| GMC Sierra 2500 HD | 2001-2002, 2006 | SL |
| GMC Sierra 2500 HD | 2001-2013 | SLT |
| GMC Sierra 2500 HD | 2002-2005 | Base |
| GMC Sierra 2500 HD | 2003-2013 | WT |
| GMC Sierra 2500 HD | 2011-2013 | Denali |
| GMC Sierra 2500 HD Classic | 2007 | SLE |
| GMC Sierra 2500 HD Classic | 2007 | WT |
| GMC Sierra 2500 HD Classic | 2007 | SLT |
| GMC Sierra 2500 HD Classic | 2007 | SL |
| GMC Sierra 3500 | 2001-2006 | SLE |
| GMC Sierra 3500 | 2001-2002, 2006 | SL |
| GMC Sierra 3500 | 2001-2006 | SLT |
| GMC Sierra 3500 | 2002-2005 | Base |
| GMC Sierra 3500 | 2004-2006 | WT |
| GMC Sierra 3500 Classic | 2007 | WT |
| GMC Sierra 3500 Classic | 2007 | SL |
| GMC Sierra 3500 Classic | 2007 | SLT |
| GMC Sierra 3500 Classic | 2007 | SLE |
| GMC Sierra 3500 HD | 2007-2013 | SLE |
| GMC Sierra 3500 HD | 2007-2013 | WT |
| GMC Sierra 3500 HD | 2007-2013 | SLT |
| GMC Sierra 3500 HD | 2011-2013 | Denali |
| GMC Yukon | 1999-2014 | Denali |
| GMC Yukon | 1999-2014 | SLE |
| GMC Yukon | 1999-2014 | SLT |
| GMC Yukon | 2006 | SL |
| GMC Yukon | 2007-2009, 2011-2012 | Base |
| GMC Yukon | 2008-2013 | Hybrid |
| GMC Yukon | 2010-2013 | Denali Hybrid |
| Pontiac Firebird | 1998-2002 | Formula |
| Pontiac Firebird | 1998-2002 | Trans Am |
| Pontiac Firebird | 1998-2002 | Base |
| Pontiac G8 | 2008-2009 | GT |
| Pontiac G8 | 2008-2009 | Base |
| Pontiac G8 | 2009 | GXP |
| Pontiac GTO | 2004-2006 | Base |
Texas Speed and Performance began as a small business in 2003. Texas Speed and Performance is situated in Georgetown, Texas, and is a leader in the LSx sector. Texas Speed & Performance has quickly established itself as one of the largest performance makers and retailers of premium LSX and LT1 packages in the United States. Texas Speed and Performance founders, Trevor Doelling and Jason Magnum, have a combined 30+ years of experience in the high-efficiency sector and are constantly striving to research and manufacture the highest quality performance goods for your car. This is accomplished by putting their products through their paces on their in-house futuristic super flow engine dyno. Texas Speed and Performance components can be found in some of the fastest street and competition automobiles in the country.
WHY CHOOSE TEXAS SPEED AND PERFORMANCE?Texas Speed and Performance provides all levels of aftermarket performance products from LSx and 2014+ 6.2L LT1/LT4 performance parts, aftermarket cast cylinder heads, basic air induction exhaust, camshafts, stroker engines and in-house machining of all their engines. They are one of the largest LSx and 2014+ 6.2L LT1/LT4 specific shops in the country. Owing to their in-house cylinder head manufacturing, engine assembly, and camshaft grinding facility, they assist customers with all of their high-performance LSx and 2014+ 6.2L LT1/LT4 needs and requirements.
TEXAS SPEED AND PERFORMANCE PRODUCT LINETexas Speed and Performance Exhaust offers camshafts, short and long blocks, turn-key engines, valvetrain, crankshafts, rods, and aftermarket cylinder heads.
VIVID RACING-TEXAS SPEED AND PERFORMANCEThe Texas Speed and Performance products at Vivid Racing include the Texas Speed and Performance Stage 4.2 LS7 Camshaft Chevrolet Camaro, Corvette 2006-2015, which has fitment for the Chevrolet Camaro 2012-2015 and Chevrolet Corvette 2006-2013 models.
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