This Chevy LS3 2.165 8mm 21-4N Stainless Steel Intake Valves 
4.87.31352.165
 Swirl Polish Undercut is a high-performance intake valve Set of 8 Not Chinese speed master garbage. Made in south America. Brand new but Not in retail packaging. Same valve we use in our Street Turbo package & our corvette club car spec heads. OEM size for 821, 823, 5364 castings

Free ground shipping in the lower 48 us states 
Free shipping DOSE NOT Include Alaska, Hawaii, and or US Protectorates, American Samoa, Guam, Mariana Islands, Marshall Islands, Micronesia, Palau, Puerto Rico, U.S. Virgin Islands Message me before purchase for extra shipping cost to these states or order will be cancelled 

TRP offers a Limited warranty 
The Limited Warranty is subject to the terms, conditions and exclusions provided below. Limited warranty on defects in materials and workmanship for 6 months (180 days) from 
the date of sale. Your warranty period begins on the date of purchase The Limited Warranty covers any product that is purchased from TRP Machine purchased on Ebay. Which 
fails due to a defect in materials or workmanship as long as the product is used normally and in accordance with the purposes it was designed for.

This Limited Warranty is valid ONLY if you are the original purchaser of the product and may not be transferred.

This auto part warranty remains in effect for as long as the original purchaser owns the eligible vehicle on which the part (s) was originally installed up to 180 days from 
the date of sale. A eligible vehicle is a vehicle that is originally equipped with the same part number casting number and style of part purchased. Buyer must at the time of 
purchase notify TRP via eBay item notes to seller of the year, make, model, part number / casting number at the time of purchase. 

This limited warranty does not extend to any product that fails due to:

1. Accident or collision

2. Improper use, installation, maintenance, or service

3. Use of the product with other third-party product(s) which fail

4. Abuse, misuse, disassembly, modification, or neglect of the product

5. Over heating, Lose of overheat tab, Modification or replacement of heat tab

6. Failure to follow directions on proper use or installation

7. Failure to protect from continued damage

8. Flood, chemical fallout, salt, hail, or other environment conditions including natural disasters

9. Installation or use on vehicles used for powersports, off-road, or racing purposes where such product is not intended for these applications

10. Installation or use on vehicles used for marine purposes where such product is not intended for marine use

11. Failure to use correct fuel and coolant as recommended by MFG

Part must be returned to TRP machine complete and assembled to be inspected for warranty consideration. Any disassembly beyond what is needed 
to remove part from vehicle for return will be considered modification and will void warranty

This limited warranty does not cover labor, towing, or rental car charges, which are the sole responsibility of the purchaser.

This limited warranty does not cover incidental, consequential, indirect, or special damages.

This limited warranty dose not cover shipping expense.

This limited warranty represents the total liability of TRP Machine for any product to which it applies. TRP machine makes no other warranties or representations of any kind 
whatsoever, expressed or implied, and all implied warranties including any warranty of merchantability and fitness for a particular purpose are hereby disclaimed. 
To return a part for warranty consideration ask for a RMA  via eBay messages and include user ID item number and date of sale. Return shipping is the responsibility of 
the original buyer. Return shipping to original shipping address will be paid by the seller if warranty claim is approved by TRP Machine. If claim is not approved then buyer is 
responsible for shipping to return part to buyer. Any part left at TRP machine will be sold for scrap after 30 days from date of claim determination