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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
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Description
PRC LS7 Cylinder Heads | 285cc | CNC Ported | 400+CFMTexas Speed & Performance have been at the forefront of LSX Performance from Day One! Responsible for setting & breaking almost every record, a major key to their success has been the R&D that goes into the Texas Speed Cylinder Head range known as PRC. The Precision Race Components range offers a large selection of high performance cylinder heads to suit all performance applications & all made, machined & ported in house in USA. Your New PRC CNC
Texas Speed & Performance have been at the forefront of LSX Performance from Day One!Responsible for setting & breaking almost every record, a major key to their success has been the R&D that goes into the Texas Speed Cylinder Head range known as PRC.
The Precision Race Components range offers a large selection of high performance cylinder heads to suit all performance applications & all made, machined & ported in-house in USA.
Your New PRC CNC Ported 6 Bolt Cylinder Heads Include
- 100% USA Made 6 Bolt LSX LS7 Port Castings;
- 70/68/64cc Combustion Chamber options;
- 285cc Intake Runners;
- Built In Rocker Pedestals (No Rocker Stands Required);
- PAC .660" Dual Valve Springs Incl Titanium Retainers *Optional upgrade available;
- 12 Degree Valve Angle;
- 2.245" Stainless Steel Intake Valves (Optional Upgrades Available);
- 1.610" Stainless Steel Exhaust Valves;
- CHE Bronze Valve Guides;
PRC CNC Porting Process
- CNC machining of your cylinder heads intake runner;
- CNC machining of your cylinder heads exhaust port;
- CNC machining & porting of the combustion chamber to specified CC;
- 5 Axis CNC cutting of your cylinder heads valve seats;
- CNC cut valve spring seats;
- Machine the deck face to increase compression;
How Do They Work?
**Valve spring lift ratings are based on using titanium intake valves.
LS7Intake LS7 Exhaust PRC 285ccLS7 Intake PRC LS7 Exhaust
.200 161 114 169 119
.300 227 171 248 179
.400 291 193 311 211
.500 330 203 353 224
.600 351 209 386 235
.650 353 204 393 241
.700 353 209 407 246
What Is The Process To Order Your New Cylinder Heads?
We aim to keep most products in stock however certain items may require manufacturing. We recommend confirming whether these are in stock or if there is a current eta.
1. If the cylinder heads are In Stock. Once payment has been completed on your order this will ship out within 24 hours.
2. If the cylinder heads need to be ordered in, we will confirm the ETA prior to order. You will simply be required to place a deposit with the balance due upon arrival to us prior to shipping out.
The ETA provided will factor in variables such as manufacturers stock or manufacturing lead times, shipping eta's etc.
We recommend always confirming this prior to order.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Good product all around
Style: SPF 15, Size: 8 Fl Oz (Pack of 1)
Going on vacation and my wife burns easy so hopefully she can tan without the burning.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
Love the smell
Style: SPF 15, Size: 8 Fl Oz (Pack of 1)
Steal of a deal
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
★★★★★ 5
Reliable protection that stays put during workouts!
Style: SPF 50, Size: 8 Fl Oz (Pack of 1)
I’ve tried many expensive name-brand sunscreens, but this Amazon Basics version performs just as well, if not better. It’s become my go-to for morning runs and trips to the beach because it actually stays on even when I’m sweating.
Why I gave it 5 stars:
Non-Greasy Formula: Unlike other sport sunscreens, this one absorbs quickly and doesn't leave that heavy, sticky film on my skin.
Actually Water Resistant: I’ve used it for laps in the pool and long hikes; as long as I reapply as directed, I haven't had a single sunburn.
No "Sting": One of the best things is that it doesn't run into my eyes and sting when I start to sweat—a huge plus for runners.
Great Value: You get a generous 8-ounce bottle for a fraction of the price of "premium" brands. The fact that it’s formulated without Oxybenzone is an added bonus for peace of mind.
If you’re looking for effective, no-frills sun protection for an active lifestyle, you can't beat this. It’s a staple in my gym bag now!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
★★★★★ 5
Great value and very practical
Style: SPF 50, Size: 8 Fl Oz (Pack of 6)
This sunscreen is a great value for the price. The SPF 50 protection works well and the lotion applies smoothly without feeling too greasy. It absorbs nicely and provides good coverage for outdoor activities.
I especially like using these bottles to refill the sunscreen dispensers at my Airbnb for guests. It’s convenient, reliable, and affordable when you need multiple bottles available.
Overall, it’s a solid everyday sunscreen and a very practical option if you need good protection at a reasonable price.
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Reviewed in the United States on March 11, 2026
★★★★★ 4
good price for good product. applies well, shake and store upright
Style: SPF 50, Size: 8 Fl Oz (Pack of 1), Style: SPF 50, Size: 8 Fl Oz (Pack of 1)
I believe it is equal to the name brands
It is 50 SPF Sun Protection Factor so it offers strong UV A and UV B protection which are the 2 ranges of sun rays that do the skin damage and burning.
It is an easily absorbed lotion that when rubbed goes into the skin and is not visible. It is thick and goes on with a non shiny, non greasy, solid thick feeling which is what we need for it to stay on as long as possible.
It feels good after being rubbed in in that it feels dry and not overly greasy or with no shine and sheen.
It is a good product and offers burn protection to me in some clear-sky strong sun uses.
Reapply after entering the pool water or swimming laps and after an hour (all sunscreen labels say reapply after 80 minutes which I believe is per recommendations of the federal FDA or some medical studies).
I reapply often and I still get tanned but I do not want to burn.
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Reviewed in the United States on August 9, 2025
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