The PRC-PKG247 by Texas Speed & Performance is engineered for serious automotive enthusiasts seeking maximum performance from their LS cathedral port engines. Designed specifically for applications with 408 cubic inches or larger and a bore size of 4.03 inches or greater, this package offers a significant upgrade in airflow and efficiency.
The PRC-PKG247 has been rigorously flow bench tested, achieving over 360 CFM, making it one of the top choices for LS applications looking to maximize airflow and performance. The precision CNC machining ensures optimal fitment and performance consistency, allowing for improved throttle response and horsepower gains.
This package is intended for competition use only and is not legal for road use. Ensure compliance with local regulations, especially in states like California, where emissions laws may restrict the use of aftermarket parts. Review your cart before checkout to confirm legality for your intended application.
Manufactured in the USA, the PRC-PKG247 represents a commitment to quality and performance. Upgrade your engine with this advanced cylinder head and cam package to experience the difference in your vehicle's performance.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
2004-2007 Cadillac CTS-V |
CTS-V | 2004-2007 |
|
2005-2014 Cadillac Escalade |
Escalade | 2005-2014 |
|
1998-2002, 2010-2015 Chevrolet Camaro |
Camaro | 1998-2002, 2010-2015 |
|
1997-2013 Chevrolet Corvette |
Corvette | 1997-2013 |
|
1999-2013 Chevrolet Silverado 1500 |
Silverado 1500 | 1999-2013 |
|
2000-2014 Chevrolet Suburban |
Suburban | 2000-2014 |
|
2000-2014 Chevrolet Tahoe |
Tahoe | 2000-2014 |
|
2006-2009 Chevrolet TrailBlazer |
TrailBlazer | 2006-2009 |
|
2009-2013 GMC Sierra |
Sierra | 2009-2013 |
|
1999-2014 GMC Yukon |
Yukon | 1999-2014 |
|
1998-2002 Pontiac Firebird |
Firebird | 1998-2002 |
|
2004-2006 Pontiac GTO |
GTO | 2004-2006 |

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.