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PRC-PKG225AC by Texas Speed & Performance
The PRC-PKG225AC is a precision-engineered cylinder head and cam package designed for LS enthusiasts seeking to enhance their engine's performance. This kit features the PRC 225cc As-Cast cylinder heads, which are specifically crafted to optimize airflow and power output across a variety of applications.
Key Features
- As-Cast 225cc intake runners paired with CNC machined chambers for superior flow characteristics.
- 62cc CNC machined combustion chambers designed to maximize compression while maintaining optimal piston-to-valve clearance.
- High-performance valve setup with 2.065" hollow stem intake valves and 1.600" stainless steel exhaust valves.
- Compatible with factory LS1 rocker arms, ensuring a straightforward installation process.
- Includes a TSP .660 dual spring kit featuring PAC valve springs and titanium retainers for enhanced durability and performance.
Performance Insights
These cylinder heads have been flow-bench tested to exceed 320 CFM, making them suitable for both street engines with smaller camshafts and full-on race setups. This versatility allows for significant power gains in stock cube applications, making the PRC-PKG225AC an ideal choice for those looking to push their LS engines to the next level.
Fitment
- Cadillac CTS-V (2004-2007)
- Cadillac Escalade (2005-2014)
- Chevrolet Camaro (1998-2015)
- Chevrolet Corvette (1997-2013)
- Chevrolet Silverado 1500 (1999-2013)
- 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 GTO (2004-2006)
- Universal Retrofit (1997-2016)
Installation Notes
- When installing a Melling oil pump, ensure to use a single-roller timing set, as a double-roller timing set will not fit with the Melling oil pump.
Upgrade your LS engine with the PRC-PKG225AC and experience the benefits of advanced airflow and power delivery. These cylinder heads are engineered for those who demand performance without compromise.
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Cadillac CTS | 2004-2007 | V |
| 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 | Premium |
| Cadillac Escalade EXT | 2011-2013 | Luxury |
| Chevrolet Camaro | 1998-2002 | Base |
| Chevrolet Camaro | 1998-2002 | Z28 |
| Chevrolet Camaro | 1998-2002 | Z28 SS |
| Chevrolet Camaro | 1998 | Lujo |
| Chevrolet Camaro | 2010-2022 | LT |
| Chevrolet Camaro | 2010-2015, 2017-2022 | LS |
| Chevrolet Camaro | 2010-2022 | SS |
| Chevrolet Camaro | 2011-2012 | 1SS |
| Chevrolet Camaro | 2011-2012 | 2SS |
| Chevrolet Camaro | 2011-2012 | 1LT |
| Chevrolet Camaro | 2016-2019 | RS |
| Chevrolet Camaro | 2018 | RS Edicion Especial |
| Chevrolet Camaro | 2019 | RS Fire Edition |
| Chevrolet Camaro | 2020-2022 | LT1 |
| Chevrolet Camaro | 2022 | SS RedLine |
| Chevrolet Corvette | 1997-2007 | Base |
| Chevrolet Corvette | 1998 | Indianapolis 500 Pace Car |
| Chevrolet Corvette | 2003 | 50th Anniversary Edition |
| Chevrolet Corvette | 2003 | 50th Anniversary Edition Pace Car |
| Chevrolet Impala | 2006-2009 | Police |
| Chevrolet Impala | 2006-2009 | SS |
| Chevrolet Impala | 2006-2009 | LT |
| Chevrolet Impala | 2006-2009 | LS |
| Chevrolet Impala | 2006-2009 | LTZ |
| Chevrolet Impala | 2008 | 50th Anniversary Edition |
| Chevrolet Silverado 1500 | 1999-2013 | LT |
| Chevrolet Silverado 1500 | 1999-2013 | LS |
| Chevrolet Silverado 1500 | 1999-2012 | Base |
| Chevrolet Silverado 1500 | 2002 | Custom |
| Chevrolet Silverado 1500 | 2002-2013 | WT |
| 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 | LT |
| Chevrolet Silverado 1500 Classic | 2007 | SS |
| Chevrolet Silverado 1500 Classic | 2007 | WT |
| Chevrolet Silverado 1500 Classic | 2007 | Hybrid |
| Chevrolet Silverado 1500 Classic | 2007 | LS |
| Chevrolet Silverado 1500 HD | 2001-2003, 2005-2006 | LT |
| Chevrolet Silverado 1500 HD | 2001-2003, 2005 | LS |
| Chevrolet Silverado 1500 HD | 2005 | Base |
| Chevrolet Silverado 1500 HD Classic | 2007 | LT |
| Chevrolet Suburban | 2014 | LT |
| Chevrolet Suburban 1500 | 2000-2014 | LT |
| Chevrolet Suburban 1500 | 2000-2012 | Base |
| Chevrolet Suburban 1500 | 2000-2014 | LS |
| Chevrolet Suburban 1500 | 2002-2006 | Z71 |
| Chevrolet Suburban 1500 | 2006-2014 | LTZ |
| Chevrolet Suburban 1500 | 2010 | 75 Aniversario Diamond Edition |
| Chevrolet Suburban 2500 | 2000-2001, 2009-2012 | Base |
| Chevrolet Suburban 2500 | 2000-2013 | LT |
| Chevrolet Suburban 2500 | 2000-2013 | LS |
| Chevrolet Suburban 2500 | 2007 | LTZ |
| Chevrolet Tahoe | 2000-2001, 2006-2009, 2011-2012 | Base |
| Chevrolet Tahoe | 2000, 2002-2006, 2008-2010 | Z71 |
| Chevrolet Tahoe | 2000 | Limited |
| Chevrolet Tahoe | 2000-2014 | LT |
| Chevrolet Tahoe | 2000-2014 | LS |
| 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 | LT |
| Chevrolet Trailblazer | 2006-2009 | SS |
| Chevrolet Trailblazer | 2006-2007 | A |
| Chevrolet Trailblazer | 2006-2008 | Base |
| Chevrolet Trailblazer | 2006-2007 | LS |
| Chevrolet Trailblazer | 2006-2007 | B |
| Chevrolet Trailblazer EXT | 2006 | LT |
| Chevrolet Trailblazer EXT | 2006 | LS |
| Chevrolet Trailblazer EXT | 2006 | Base |
| Chevrolet Trailblazer EXT | 2006 | B |
| GMC Sierra | 2007-2009, 2011-2012 | Base |
| GMC Sierra | 2008-2012 | Denali |
| GMC Sierra | 2010 | SLT |
| GMC Sierra 1500 | 1999-2012 | SLE |
| GMC Sierra 1500 | 1999-2003, 2006-2012 | SL |
| GMC Sierra 1500 | 1999-2012 | SLT |
| GMC Sierra 1500 | 2001 | C3 |
| GMC Sierra 1500 | 2002-2012 | WT |
| GMC Sierra 1500 | 2002 | HT |
| GMC Sierra 1500 | 2002-2012 | Denali |
| GMC Sierra 1500 | 2002-2005 | Base |
| GMC Sierra 1500 | 2005-2006, 2009-2012 | Hybrid |
| GMC Sierra 1500 | 2010-2012 | XFE |
| GMC Sierra 1500 Classic | 2007 | WT |
| GMC Sierra 1500 Classic | 2007 | SL |
| GMC Sierra 1500 Classic | 2007 | SLE |
| GMC Sierra 1500 Classic | 2007 | SLT |
| GMC Sierra 1500 Classic | 2007 | Denali |
| GMC Sierra 1500 Classic | 2007 | Hybrid |
| GMC Sierra 1500 HD | 2001-2003, 2005-2006 | SLE |
| GMC Sierra 1500 HD | 2001-2003, 2005-2006 | SLT |
| GMC Sierra 1500 HD Classic | 2007 | SLT |
| GMC Sierra 1500 HD Classic | 2007 | SLE |
| GMC Sierra 2500 | 1999-2004 | SLE |
| GMC Sierra 2500 | 1999-2002 | SL |
| GMC Sierra 2500 | 1999-2004 | SLT |
| GMC Sierra 2500 | 2002-2004 | Base |
| GMC Sierra 2500 | 2003-2004 | WT |
| GMC Sierra 2500 HD | 2001-2002, 2006 | SL |
| GMC Sierra 2500 HD | 2001-2012 | SLE |
| GMC Sierra 2500 HD | 2001-2012 | SLT |
| GMC Sierra 2500 HD | 2002-2005 | Base |
| GMC Sierra 2500 HD | 2003-2012 | WT |
| GMC Sierra 2500 HD | 2011-2012 | Denali |
| GMC Sierra 2500 HD Classic | 2007 | WT |
| GMC Sierra 2500 HD Classic | 2007 | SLT |
| GMC Sierra 2500 HD Classic | 2007 | SL |
| GMC Sierra 2500 HD Classic | 2007 | SLE |
| GMC Sierra 3500 | 2001-2006 | SLT |
| GMC Sierra 3500 | 2001-2002, 2006 | SL |
| GMC Sierra 3500 | 2001-2006 | SLE |
| GMC Sierra 3500 | 2002-2005 | Base |
| GMC Sierra 3500 | 2004-2006 | WT |
| GMC Sierra 3500 Classic | 2007 | WT |
| GMC Sierra 3500 Classic | 2007 | SLE |
| GMC Sierra 3500 Classic | 2007 | SL |
| GMC Sierra 3500 Classic | 2007 | SLT |
| GMC Sierra 3500 HD | 2007-2012 | SLT |
| GMC Sierra 3500 HD | 2007-2012 | SLE |
| GMC Sierra 3500 HD | 2007-2012 | WT |
| GMC Sierra 3500 HD | 2011-2012 | Denali |
| GMC Yukon | 1992, 1999-2014 | SLE |
| GMC Yukon | 1992, 2007-2009, 2011-2012 | Base |
| GMC Yukon | 1992 | Sport |
| GMC Yukon | 1999-2014 | SLT |
| GMC Yukon | 1999-2014 | Denali |
| GMC Yukon | 2006 | SL |
| GMC Yukon | 2008-2013 | Hybrid |
| GMC Yukon | 2010-2013 | Denali Hybrid |
| Pontiac Firebird | 1998-2002 | Base |
| Pontiac Firebird | 1998-2002 | Formula |
| Pontiac Firebird | 1998-2002 | Trans Am |
| 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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