If you’re looking to crank up the performance of your LT engine, these Precision Race Components LT1 CNC 312cc ported cylinder heads are a solid choice. I’ve had my hands on a set, and let me tell you, they’re a game changer. Made right here in the USA—from casting to machining—you can feel the quality the moment you unbox them.
These heads have gone through some serious CNC and dyno testing, and the results speak for themselves. You’re looking at one of the most powerful LT-based cylinder heads on the market. With an intake volume of 312cc and a chamber size of 58cc, they’re designed to maximize airflow and boost your engine's output. The intake valve is a beefy 2.165 inches, while the exhaust valve measures 1.600 inches. That’s some serious breathing capacity!
As for fitment, they’re compatible with a range of models, including:
Just a heads up—these are meant for competition use only and aren’t legal for road use. So if you’re serious about track performance, these heads will definitely help you unleash the full potential of your engine. If you want to take your ride to the next level, these Precision Race Components cylinder heads are worth considering.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
2015-2019 Cadillac Escalade |
Escalade | 2015-2019 |
|
2016-2021 Chevrolet Camaro |
Camaro | 2016-2021 |
|
2014-2019 Chevrolet Corvette Stingray |
Corvette Stingray | 2014-2019 |
|
2014-2022 Chevrolet Silverado 1500 |
Silverado 1500 | 2014-2022 |
|
2015-2022 Chevrolet Suburban |
Suburban | 2015-2022 |
|
2015-2022 Chevrolet Tahoe |
Tahoe | 2015-2022 |
|
2014-2022 GMC Sierra |
Sierra | 2014-2022 |
|
2015-2022 GMC Yukon |
Yukon | 2015-2022 |

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.