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- USA
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Ships within 48 hours · Estimated delivery Jul 4 - Jul 9
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For Your Every Summer RSVP, with Code: SUMMER15
Description
COMP Cams Valve LocksEb Mach Stl 7Deg S 641-100COMP Cams Valve Locks 641 100 Most people believe that the tang inside a valve lock holds the retainer and valve spring in place while the engine is running, but this isn't the case. The cross section of material in the tang is not strong enough to withstand open spring loads of 1000 lbs. or more. The sole purpose of the tang is to temporarily locate the lock, retainer and spring relative to the valve until the taper of the retainer can nest around
COMP Cams Valve Locks 641-100 Most people believe that the tang inside a valve lock holds the retainer and valve spring in place while the engine is running, but this isn't the case. The cross-section of material in the tang is not strong enough to withstand open spring loads of 1000 lbs. or more. The sole purpose of the tang is to temporarily locate the lock, retainer and spring relative to the valve until the taper of the retainer can nest around the outside surface of the lock. This creates a collet effect that binds the two together. The more spring force exerted on the retainer (as the valve opens), the more force applied by the collet effect to keep the retainer and lock in place. With the emergence of valve sizes other than the standard 5/16", 11/32" and 3/8", it is important to make sure the valve locks match the valve size. There should always be a small gap between the two halves of the lock when they are properly positioned on the valve stem. If the two halves fit together without a gap, they are too large. If the locks fit tight to the stem and leave a gap between the middle of the lock and the O.D. of the stem, the locks are too small. Our line of stock replacement 7 valve locks for stock engine rebuilds are recommended only for street applications with lighter valve spring loads and are stamped and hardened for superior wear resistance. Also available are machined 7 locks and titanium Super 7 Locks for some applications. They offer the same valve spring location accuracy as our Super Locks without the need to change to 10 degree retainers. Machined Steel Set of 100 - 7 Degree, 3/8", Single Groove Race Locks 641-100 - Valve Locks,EB MACH STL 7deg S GL GRV 3/8 COMP Cams Valve LocksEb Mach Stl 7Deg SShipping 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
4.7 ★★★★★
Based on 2328 reviews
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Product Reviews
★★★★★ 3
Not great
Size: 2.1 Fl Oz (Pack of 1)
I wish I could give 3 1/2 starts but I have to give it 3 stars for two reasons. 1 is it is not a fine mist, it will leave your face looking crazy after you spray it. You end up having to pay it into your skin because there’s white splotches all over your face. So if you were to apply this with no mirror it would be a problem. Also I feel like it semi defeats the point of using a face spray if you have to use your hands to finish applying it. 2 is that for me it makes my skin feel hot and kinda burn around my mouth area. I think there might be too much fragrance or something. It does go away after awhile but it is not pleasant and I can’t imagine it is good for me.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Great for summer pool time
Size: 2.1 Fl Oz (Pack of 1)
Gave it 5 stars because it really does its job. I used this sunscreen on my face during the summer when I was going to the pool a lot. It goes on white at first, but once you rub it in well the white cast pretty much disappears. Doesn’t make my face super greasy and protected my skin really well, no burns, no weird tan lines, nothing, as long as I reapplied it like the instructions say. The smell is light and not annoying. The bottle is small and easy to keep in a bag. Overall, a good product that actually works.
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Reviewed in the United States on December 6, 2025
★★★★★ 5
Easy to use, and long-lasting sun protection
Size: 7 Fl Oz (Pack of 2)
Coppertone SPF 30 sunscreen is our go-to for the beach and pool. I also keep a bottle in the truck for when we're doing anything outdoors like tailgating and things of that nature. It's not greasy, it goes on easy, and works exactly as it should. We don't worry about sunburns with this stuff, and it seems to last just fine even after spending time in the water. I can put this on when we first go out onto the beach or the pool in the hot Carolinas sun, and I can spend hours out there without getting burned. I do reapply after a few hours if we're in and out of the water a lot or in the more intense sun further south like in the Caribbean.
To be fair, part of what I like is the nostalgia of using the same brand that my mom slathered on us kids in the 1970's, lol, but in those days sun protection wasn't as important to us as a deep tan was, so we'd still burn. Modern day Coppertone makes sun protection their priority, and I don't know of a better sunscreen that's as easy to apply and lasts any longer than this one. Is it possible to get a tan while using this product? Sure, but it takes longer and that's fine - because I rarely burn at all when using it, and that's the whole point.
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Reviewed in the United States on January 31, 2026
★★★★★ 5
no issues.
Size: 7 Fl Oz (Pack of 2)
no issues. good alternative to the $$$$$ brands. i spend a lot of time outside and this seems to be a good solution to blocking the sun's rays.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Great product! Works
Size: 7 Fl Oz (Pack of 2)
Great smell and worked! Who doesn't like Coppertone?
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Reviewed in the United States on March 30, 2026