All Precision Race Components (PRC)
cylinder heads come fully CNC-ported and machined using state-of-the-art technology.
PRC's stage 2.5 LS6 Cylinder Heads come
standard with the following options:
- SEASONED GM 243 or 799 Cores
- 2.02"/1.575" Stainless Steel Valves
- Your Choice of Spring Kit
- Completely Assembled and Milled to your Specifications
- 58-64cc Chambers
All PRC cylinder heads are extensively
researched and tested. The flow data below shows the superior performance of
the PRC stage 2.5 LS6 cylinder heads!
Flow Data: 3.910" Flow Plate - No Exhaust Pipe
You also have the option to upgrade
to the PAC .660" Lift Dual Valve Spring Kit. This
spring kit is the top of the line and offers almost double the life of other valve spring kits on the market! The following items are included in the dual spring kit:
- PAC .660"Lift Capable Dual Valve Springs
- Precision-Machined Titanium
- Hardened Machined Spring Seats
- New Viton Valve Seals
With all PRC cylinder heads, quality and performance are our two highest priorities! In addition to performance,
you will not find a better performing cylinder head at this price (cost is for the pair!). Call one
of our sales consultants today if you have any questions or if you would like
to discuss your specific application.
To obtain a Return Merchandise Authorization (RMA) please call us at 512-863-0900. No returns will be accepted without an RMA number! Please include a copy of the original receipt with the return. All returns must be postage paid. No COD or Freight collect returns will be accepted. All returns must be packaged properly; we are not responsible for damaged returns that resulted from improper packing. Shipping charges are not refundable. All return orders will be charged a 20% Restocking Fee.
You may return any parts to Texas Speed & Performance within 30 days from your date of order. No returns will be accepted after the 30 days have expired. All parts to be returned must be in their original condition. Texas Speed & Performance is not responsible for installation errors or damage due to improper installation or abuse. Parts damaged due to improper installation or abuse, are not returnable, and we are not responsible for any labor expenses, towing, rental car, or other expenses caused by the use of wrong or defective parts during installation. Labor charges by Non-Texas Speed & Performance facility are not covered. It is the installer's responsibility to verify correctness of all parts prior to installation. Shipping charges are not refundable. All return orders will be charged a 20% Restocking Fee.
All defects in workmanship done by Texas Speed & Performance may be returned for repair, replacement or credit. All repair work will be performed by Texas Speed & Performance. Any unauthorized work done will void any warranty, repair, replacement, or credit that would normally be covered and will render the item as non-returnable.
Non-Returnable Parts: Special-Order Parts, Installed Parts, Painted Parts, and Custom Made Parts cannot be returned for credit for any reason. Electrical parts are not returnable for credit if plugged in or unsealed for any reason. Installed parts and electrical parts are only covered against manufacturer defects and are subject to a warranty exchange only, at the manufacturer's discretion. Labor charges by Non-Texas Speed & Performance facility are not covered.
When ordering parts and accessories for vehicles still under the manufacturer's warranty, it is the vehicle owners responsibility to ensure that the warranty will not be adversely affected by the installation of these parts. If in doubt, please contact your local servicing dealership or the vehicle manufacturer before ordering. Texas Speed & Performance cannot accept return requests for parts due to vehicle warranty issues.
Warranty Parts: Most parts are warranted by the manufacturer, usually for 90 days from the date of purchase, unless specified otherwise. Parts used for racing or competition carry a manufacturer's defect warranty only. They are not warranted for breakage or wear under any circumstance. If you are returning electrical parts for warranty consideration please email customer service, as some manufacturers require the parts be sent directly back to the manufacturer. Texas Speed & Performance reserves the right to charge a restocking fee or refuse any parts that show evidence of being used or installed contrary to manufacturer's instructions, subjected to improper handling, packaging, or shipping by the customer. Labor charges by Non-Texas Speed & Performance facility are not covered.
Damaged or Missing Parts: In the event your order is damaged or items are missing it must be reported within seven days to 512-863-0900. Claims must be reported by invoice number and part number. Damaged or missing items will be claimed through the applicable shipping company. The customer will be refunded for any damaged or missing parts upon receipt of claim payment from the shipping company. The claim process usually takes 2 - 3 weeks.
Refunds for returns normally process and credit within 10 days from the date we receive your return at the warehouse. Once the return has been approved and processed, the refund will be credited to the credit card, Paypal account, or GoogleCheckout™ Account you used to buy the merchandise. Please be aware that your bank may take 4-7 business days to post the credit to your account or credit card. If you do not receive a credit after 17 days, please call us at 512-863-0900 and we will respond to you immediately. Shipping charges are not refundable. All return orders will be charged a 20% Restocking fee.
All information listed is subject to change without notice.