Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
For Your Every Summer RSVP, with Code: SUMMER15
Description
PRC LS1/2 Cylinder Heads | 220cc | CNC PortedTexas 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 Cylinder Heads Include
- 100% USA Made 6 Bolt LS Cathedral Port Castings;
- 64cc Combustion Chamber options;
- 220cc 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;
- 2.045" Stainless Steel Intake Valves (Optional Upgrades Available);
- 1.600" 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;
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
4.2 ★★★★★
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Product Reviews
★★★★★ 4
Good toe separating every day socks
Good everyday socks. Have not washed them yet. How they don’t shrink… run a little small for me… 9.5 EE.
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Reviewed in the United States on September 12, 2025
★★★★★ 1
Not really what i expected
Fit is too tight, grip was good, quality is ok but wish they were thicker.
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Reviewed in the United States on January 8, 2026
★★★★★ 5
Perfect Size 5
Perfect size 5, cute, and my friend loves it as she is a size 5.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Comfy
Perfect fit
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Cute and Comfortable
I like the way these socks fit, and love th bright colors!
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Reviewed in the United States on April 11, 2026