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Description
COMP Cams Valve Stem Seals Viton .500 in. Guide, 0.310 in. Valve Stem # CC519-16COMP Cams Valve Stem Seals Viton . 500 in. Guide, 0. 310 in. Valve Stem # CC519 16 Valve Stem Seals, Viton, Positive Stop, . 500 in. Guide, 0. 310 in. Valve Stem, Set of 16 Valve Stem Diameter (in): 0. 313 in. Valve Stem Diameter (mm): 7. 95mm Valve Stem Seal Type: Positive stop Valve Stem Seal Material: Viton Machine Work Required: No Valve Guide Diameter (in): 0. 500 in. Valve Stem Seal Outside Diameter (in): 0. 500 in. Quantity: Sold as a set of
COMP Cams Valve Stem Seals Viton .500 in. Guide, 0.310 in. Valve Stem # CC519-16Valve Stem Seals, Viton, Positive Stop, .500 in. Guide, 0.310 in. Valve Stem, Set of 16
Valve Stem Diameter (in):0.313 in.
Valve Stem Diameter (mm):7.95mm
Valve Stem Seal Type:Positive stop
Valve Stem Seal Material:Viton
Machine Work Required:No
Valve Guide Diameter (in):0.500 in.
Valve Stem Seal Outside Diameter (in):0.500 in.
Quantity:Sold as a set of 16.
Notes:Designed for triple spring. Requires machining the top of the valve guide with a special .500 in. diameter cutter.
COMP Cams offers a complete line of valve seals, from the stock GM O-rings to the positive-stop PTFE seals. They are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The O-ring seals use the standard retainer and oil splash shield. The umbrella seals are normally used when a larger-than-stock diameter spring is used. In the case of a double spring, the positive stop PTFE seals are used. For triple-spring applications, use the smaller-diameter Viton seals.
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
Nice!
Color: Black
Nice. Wish it was just a tad bit bigger. But it was very nice. Worth it.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
5
Color: Nude
Beautiful
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Good option for people that carry a lot with them
Color: Silver
Very pretty purse for a dressy occasion. I always carry a lot of stuff with me and this actually can fit it. The option to be able to unfold the top to give it more room to put stuff in is fantastic! I love the 2 different strap options as well. It comes in a nice drawstring bag for storage. Very happy with this purchase.
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Reviewed in the United States on August 11, 2025
★★★★★ 5
Good product 💯
Color: Light Brown Woven Suede
I love the bag😍
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Great for everyday or special occasions
Color: Wine Woven Suede
Mine is brown and I use it daily. Dresses up a sweat set, works as a real clutch for dinners. I'll definitely buy another color.
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Reviewed in the United States on April 20, 2026