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Get Serious About Power with Our CNC Porting Service
If you’re looking to squeeze more horsepower out of your 5.3L or 6.2L LT1 engine, you’ve come to the right place. Our CNC porting service for cylinder heads is designed for those who want to send in their castings for a serious upgrade. We’re talking about a complete porting job, a competition 5-angle valve job, and professional assembly—everything you need to take your engine to the next level.
Now, just to be clear, this service doesn’t include the cylinder head castings themselves. You’ll need to send those in to us. What you get is top-notch porting, a precision valve job, vacuum testing, and milling tailored to your specs. It’s a solid upgrade that really opens things up compared to stock heads.
Our ported gen 5 L83 and LT1 heads are a game changer. If you pair them with a TSP LT1 or L83 camshaft that we've tuned on our SuperFlow engine dyno, you could see gains of over 100 horsepower. That’s not just talk; it’s backed by real-world results.
What You Get:
- CNC Porting for Your GM Castings
- CNC Valve Job for Optimal Flow
- Custom Milling to Your Specifications
- Optional TSP Spring Kit featuring PAC Valve Springs & Titanium Retainers
Compatible Models:
- Cadillac Escalade (2015-2019)
- Chevrolet Camaro (2016-2021)
- Chevrolet Corvette (2014-2019)
- Chevrolet Silverado 1500 (2014-2022)
- Chevrolet Suburban (2015-2022)
- Chevrolet Tahoe (2015-2022)
- GMC Sierra 1500 (2014-2022)
- GMC Yukon (2015-2022)
Important Note:
Heads up—there’s a known issue with factory GM LT cylinder head castings where the factory valve seats can fall out. This can lead to some serious engine damage, so it’s something to consider before you go with stock castings. We recommend investing in our aftermarket LTx cylinder heads instead. Just a little caution from us, as we want you to avoid any potential headaches down the road.
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Cadillac Escalade | 2015-2019 | Platinum |
| Cadillac Escalade | 2015-2019 | Base |
| Cadillac Escalade | 2015-2017 | Premium |
| Cadillac Escalade | 2015-2019 | Luxury |
| Cadillac Escalade | 2017-2019 | Premium Luxury |
| Cadillac Escalade ESV | 2015-2019 | Luxury |
| Cadillac Escalade ESV | 2015-2019 | Premium |
| Cadillac Escalade ESV | 2015-2019 | Base |
| Cadillac Escalade ESV | 2015-2019 | Platinum |
| Cadillac Escalade ESV | 2017-2019 | Premium Luxury |
| Chevrolet Camaro | 2016-2021 | SS |
| Chevrolet Camaro | 2016-2019 | RS |
| Chevrolet Camaro | 2016-2021 | LT |
| Chevrolet Camaro | 2017-2021 | LS |
| Chevrolet Camaro | 2018 | RS Edicion Especial |
| Chevrolet Camaro | 2019 | RS Fire Edition |
| Chevrolet Camaro | 2020-2021 | LT1 |
| Chevrolet Corvette | 2014-2019 | Stingray |
| Chevrolet Corvette | 2014-2016 | Z51 |
| Chevrolet Silverado 1500 | 2014, 2016 | Base |
| Chevrolet Silverado 1500 | 2014-2022 | WT |
| Chevrolet Silverado 1500 | 2014-2022 | High Country |
| Chevrolet Silverado 1500 | 2014-2022 | LT |
| Chevrolet Silverado 1500 | 2014-2022 | LTZ |
| Chevrolet Silverado 1500 | 2015-2021 | SSV |
| Chevrolet Silverado 1500 | 2015-2018 | LS |
| Chevrolet Silverado 1500 | 2016-2022 | Custom |
| Chevrolet Silverado 1500 | 2019-2020 | WT Cab Regular |
| Chevrolet Silverado 1500 | 2019-2022 | LT Trail Boss |
| Chevrolet Silverado 1500 | 2019-2022 | Custom Trail Boss |
| Chevrolet Silverado 1500 | 2019-2022 | RST |
| Chevrolet Silverado 1500 | 2019-2020 | WT Doble Cabina |
| Chevrolet Silverado 1500 | 2022 | ZR2 |
| Chevrolet Silverado 1500 LD | 2019 | WT |
| Chevrolet Silverado 1500 LD | 2019 | LT |
| Chevrolet Silverado 1500 LD | 2019 | Custom |
| Chevrolet Silverado 1500 LTD | 2022 | Custom |
| Chevrolet Silverado 1500 LTD | 2022 | LT |
| Chevrolet Silverado 1500 LTD | 2022 | SSV |
| Chevrolet Silverado 1500 LTD | 2022 | High Country |
| Chevrolet Silverado 1500 LTD | 2022 | WT |
| Chevrolet Silverado 1500 LTD | 2022 | RST |
| Chevrolet Silverado 1500 LTD | 2022 | Custom Trail Boss |
| Chevrolet Silverado 1500 LTD | 2022 | LTZ |
| Chevrolet Silverado 1500 LTD | 2022 | LT Trail Boss |
| Chevrolet Silverado 1500 Nueva | 2022 | Custom |
| Chevrolet Silverado 1500 Nueva | 2022 | Base |
| Chevrolet Suburban | 2015-2022 | LT |
| Chevrolet Suburban | 2015-2022 | LS |
| Chevrolet Suburban | 2015-2016 | LTZ |
| Chevrolet Suburban | 2016-2019 | HD |
| Chevrolet Suburban | 2017-2022 | Premier |
| Chevrolet Suburban | 2021-2022 | Z71 |
| Chevrolet Suburban | 2021-2022 | Commercial |
| Chevrolet Suburban | 2021-2022 | RST |
| Chevrolet Suburban | 2021-2022 | High Country |
| Chevrolet Suburban 3500 HD | 2016-2019 | LS |
| Chevrolet Suburban 3500 HD | 2016-2019 | LT |
| Chevrolet Tahoe | 2015-2022 | PPV |
| Chevrolet Tahoe | 2015-2022 | SSV |
| Chevrolet Tahoe | 2015-2022 | LT |
| Chevrolet Tahoe | 2015-2016 | LTZ |
| Chevrolet Tahoe | 2015-2022 | LS |
| Chevrolet Tahoe | 2016-2017, 2021-2022 | Z71 |
| Chevrolet Tahoe | 2017-2020 | Police |
| Chevrolet Tahoe | 2017-2022 | Premier |
| Chevrolet Tahoe | 2018 | Midnight Edition |
| Chevrolet Tahoe | 2021-2022 | Commercial |
| Chevrolet Tahoe | 2021-2022 | RST |
| Chevrolet Tahoe | 2021-2022 | High Country |
| GMC Sierra | 2014-2019, 2021-2022 | SLE |
| GMC Sierra | 2014-2022 | Denali |
| GMC Sierra | 2014-2015 | SLT |
| GMC Sierra | 2014-2018 | All Terrain |
| GMC Sierra | 2019-2022 | AT4 |
| GMC Sierra | 2020 | AT4 CarbonPro |
| GMC Sierra | 2020 | Regular |
| GMC Sierra 1500 | 2014-2022 | SLE |
| GMC Sierra 1500 | 2014-2022 | SLT |
| GMC Sierra 1500 | 2014-2022 | Denali |
| GMC Sierra 1500 | 2014-2021 | Base |
| GMC Sierra 1500 | 2019-2022 | Elevation |
| GMC Sierra 1500 | 2019-2022 | AT4 |
| GMC Sierra 1500 | 2022 | Pro |
| GMC Sierra 1500 | 2022 | AT4X |
| GMC Sierra 1500 | 2022 | Denali Ultimate |
| GMC Sierra 1500 Limited | 2019, 2022 | SLE |
| GMC Sierra 1500 Limited | 2019 | Base |
| GMC Sierra 1500 Limited | 2022 | AT4 |
| GMC Sierra 1500 Limited | 2022 | Elevation |
| GMC Sierra 1500 Limited | 2022 | Denali |
| GMC Sierra 1500 Limited | 2022 | Pro |
| GMC Sierra 1500 Limited | 2022 | SLT |
| GMC Sierra 2500 HD | 2014-2022 | Denali |
| GMC Sierra 2500 HD | 2014 | WT |
| GMC Sierra 2500 HD | 2014-2022 | SLT |
| GMC Sierra 2500 HD | 2014-2022 | SLE |
| GMC Sierra 2500 HD | 2015-2021 | Base |
| GMC Sierra 2500 HD | 2020-2022 | AT4 |
| GMC Sierra 2500 HD | 2022 | Pro |
| GMC Sierra 3500 HD | 2014-2022 | SLE |
| GMC Sierra 3500 HD | 2014 | WT |
| GMC Sierra 3500 HD | 2014-2022 | SLT |
| GMC Sierra 3500 HD | 2014-2022 | Denali |
| GMC Sierra 3500 HD | 2015-2021 | Base |
| GMC Sierra 3500 HD | 2020-2022 | AT4 |
| GMC Sierra 3500 HD | 2022 | Pro |
| GMC Sierra Nueva | 2022 | AT4 |
| GMC Sierra Nueva | 2022 | SLE |
| GMC Sierra Nueva | 2022 | Denali Ultimate |
| GMC Sierra Nueva | 2022 | Denali |
| GMC Yukon | 2015-2022 | Denali |
| GMC Yukon | 2015-2022 | SLT |
| GMC Yukon | 2015-2022 | SLE |
| GMC Yukon | 2021-2022 | AT4 |
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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