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Ships within 48 hours · Estimated delivery Sep 29 - Oct 4
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For Your Every Summer RSVP, with Code: SUMMER15
Description
COMP Cams Conical Valve Spring Kit GM LT1/LS .660in/.932in DiaThe . 675" Lift Conical Spring Kit with Tool Steel Retainers for GM LT1 LS7 Applications features a smaller diameter in the upper half to reduce active mass. This reduction in mass, along with the progressive frequency created by the conical shape, dampens coil oscillations better than any other spring design. These improvements in dynamic stability allow for the use of more aggressive Camshafts and an increase in RPM limit speed. Finally, Superfinish
The .675" Lift Conical Spring Kit with Tool Steel Retainers for GM LT1/LS7 Applications features a smaller diameter in the upper half to reduce active mass. This reduction in mass, along with the progressive frequency created by the conical shape, dampens coil oscillations better than any other spring design. These improvements in dynamic stability allow for the use of more aggressive Camshafts and an increase in RPM limit speed. Finally, Superfinish processing of the springs results in increased durability and spring life.Kit includes:#7230-16 Conical valve Springs#1772-16 Tool Steel Retainers#623-16 Valve Locks#511-16 Valve Seals#4680-16 Spring Seats
User 1This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2016 | Cadillac | Escalade | Base |
| 2015 | Cadillac | Escalade | Luxury |
| 2015-2016 | Cadillac | Escalade | Platinum |
| 2015-2016 | Cadillac | Escalade | Premium |
| 2015-2016 | Cadillac | Escalade ESV | Base |
| 2015-2016 | Cadillac | Escalade ESV | Luxury |
| 2015-2016 | Cadillac | Escalade ESV | Platinum |
| 2015-2016 | Cadillac | Escalade ESV | Premium |
| 2016 | Chevrolet | Camaro | SS |
| 2014-2015 | Chevrolet | Camaro | Z/28 |
| 2013 | Chevrolet | Corvette | 427 |
| 2008 | Chevrolet | Corvette | 427 Limited Edition Z06 |
| 2014-2016 | Chevrolet | Corvette | Stingray |
| 2006-2013 | Chevrolet | Corvette | Z06 |
| 2011 | Chevrolet | Corvette | Z06 Carbon |
| 2016 | Chevrolet | Silverado 1500 | Custom |
| 2014-2016 | Chevrolet | Silverado 1500 | High Country |
| 2015-2016 | Chevrolet | Silverado 1500 | LS |
| 2014-2016 | Chevrolet | Silverado 1500 | LT |
| 2014-2016 | Chevrolet | Silverado 1500 | LTZ |
| 2015-2016 | Chevrolet | Silverado 1500 | SSV |
| 2014-2016 | Chevrolet | Silverado 1500 | WT |
| 2015-2016 | Chevrolet | Suburban | LS |
| 2015-2016 | Chevrolet | Suburban | LT |
| 2015-2016 | Chevrolet | Suburban | LTZ |
| 2015-2016 | Chevrolet | Tahoe | LS |
| 2015-2016 | Chevrolet | Tahoe | LT |
| 2015 | Chevrolet | Tahoe | LTZ |
| 2015-2016 | Chevrolet | Tahoe | PPV |
| 2015-2016 | Chevrolet | Tahoe | SSV |
| 2014-2016 | GMC | Sierra 1500 | Base |
| 2014-2016 | GMC | Sierra 1500 | Denali |
| 2014-2016 | GMC | Sierra 1500 | SLE |
| 2014-2016 | GMC | Sierra 1500 | SLT |
| 2015 | GMC | Yukon | Denali |
| 2015-2016 | GMC | Yukon | SLE |
| 2015-2016 | GMC | Yukon | SLT |
| 2015-2016 | GMC | Yukon XL | Denali |
| 2015-2016 | GMC | Yukon XL | SLE |
| 2015-2016 | GMC | Yukon XL | SLT |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.5 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
These hold up very well
Color: White, Size: Standard (Pack of 2)
I have NO luck with pillows. I’ve been in stores & tried them. They seemed ok there. At home, nope. I’ve been getting headaches & neck aches from lousy pillows. I’ll change one, a few nights relief. It doesn’t help that I’m prone to headaches. After reading about different pillows, I settled on these. The reviews were better than so many different ones I was looking at. Including high priced & brand names. I bought the standard size. When I saw, “Customers Usually Keep This”, I kept my fingers crossed. When I received them, I took one out of the package & put my head on it & thought, oh no! This is too hard! I tried it again. Ok….. I slept on it & haven’t had any pains since. It’s soft but firm enough to keep my head from sinking & messing up my neck. I don’t move. No more flipping my pillow over. My head doesn’t go below my neck anymore! This has been 2 months now, but it hasn’t changed at all. I wake up happy, not complaining. No more pains or headaches. This saved me from losing days with a heating pad or an ice pack. The price was excellent for 2 pillows. I can’t believe a blind buy was the answer! These are incredible. Finally, something worked for me.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Awesome Pillows!
Color: White, Size: King (Pack of 2)
These pillows are super soft! I love them. I bought them when I caught a bad cold and needed to prop myself up. Worked so great! Definitely give these pillows a try. They're very reasonably priced too.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Just perfect. Well made, No Issues Just one perfect sleep zzzzzzzzzzz😴
Color: White, Size: Queen (Pack of 2)
I had down pillows, and foam pillows, and other synthetic pillows etc and some were ok and others were not. I cannot get a great nights sleep if I am constantly having to adjust my pillow during the night. I ordered these pillows as I sleep on my side mostly but sometimes on my back. When they arrived I followed the directions (as they are in a vacuum pack) and only takes a few minutes for them to acclimate. Then put pillow cases on them and off to bed. I had the BEST sleep I have had in YEARS !!!!! The pillows are great. They keep your head comfortable and cool (No Sweating) and super comfortable. The only issue is after a perfect nights sleep, I find I really do not want to get out of bed in the morning..One great thing, is I am retired so I really do not have to get up out of bed until I want to 😴😳. The pillows are well made and feel like expensive down filled pillows but softer. I am VERY satisfied with the pillows. I just wish I would have found these pillows years ago. But now I have them and the perfect sleep that they provide. Dr Dave
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Reviewed in the United States on June 4, 2026
★★★★★ 5
Great sleep
Color: White, Size: Queen (Pack of 2), Color: White, Size: Queen (Pack of 2)
Finally found a pillow that is comfortable. Tested about 5 until I found the right one. This is perfect for back and side sleepers. Firm, but soft. Just enough filling and great quality. Will hold up for many years.
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Reviewed in the United States on May 24, 2026
★★★★★ 4
Good overall
Color: White, Size: Standard (Pack of 2)
Bought these for our guest bedroom. They are quite overstuffed, so if you like full pillows this will be your thing. As such they are dense and firm. The height is a bit much if you are small framed, but are comfortable overall and stay cool enough to be nice in the summer.
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Reviewed in the United States on February 24, 2026
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