Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
GM LS Rocker Arm Bolts 4.8L 5.3L 6.0L 6.2L LS1 LS2 LS3 LS6 LQ4 LQ9 LY5 LY6 Set of 16The General Motors 12558815 and 12560961 Rocker Arm Bolts are designed for LS Series engines including 4. 8L 5. 3L 5. 7L 6. 0L and 6. 2L variants. These bolts essential for securing the rocker arm pivot support ensure optimal engine performance. They are compatible with a wide array of LS engine models such as LS1 LS2 LS3 LS6 LQ4 LQ9 LY5 and LY6. The parts are durable designed to withstand the rigors of high performance applications and have been
The General Motors 12558815 and 12560961 Rocker Arm Bolts are designed for LS-Series engines including 4.8L 5.3L 5.7L 6.0L and 6.2L variants. These bolts essential for securing the rocker arm pivot support ensure optimal engine performance. They are compatible with a wide array of LS engine models such as LS1 LS2 LS3 LS6 LQ4 LQ9 LY5 and LY6. The parts are durable designed to withstand the rigors of high-performance applications and have been machine blasted for enhanced durability.Part Number: 12558815
Manufacturer: GM
Weight: 5.0000 lbs
Additional Details:
Genuine OEM Parts
Please research/ensure fitment of part to your specific vehicle before purchasing. Returns because of non-fitment are accepted with a re-stocking fee, however customer is responsible for return shipping.
Shipping:
If shipping outside the contiguous 48 states is required, reach out to [email protected] to confirm shipping details.
About Us:
Custard Core Supply provides the highest quality of new, new take off, used, and core parts. We provide a variety of gas and diesel parts to our customers. Based in Dallas, TX Custard Core Supply has been in business since 1998. If you do not see a product you are looking for on our page, please reach out!
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 ★★★★★
Based on 644 reviews
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Product Reviews
★★★★★ 5
Amazing!
Size: King (Pack of 1)
Such a great pillow I’m buying another one! You can add or subtract stuffing to your liking. It’s really nice quality, quilted and soft. Best pillow ever. Super comfy and great sleep. Pretty firm with all the stuffing. Perfect the way it came with stuffing on the side. My husband loves it and now I want one.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Totally worth the money
Size: King (Pack of 1), Size: King (Pack of 1)
Right off the bat, the packaging is absolutely adorable and felt like I was buying a premium product. I love that this pillow is adjustable and as a side sleeper, I needed a pillow that is both firm and supportive of my neck. This hits all the boxes. We will be buying more of these for our bed!
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Really Happy With These Pillows!
Color: Blue, Size: Queen(2 Pack)-20'*30'
**Review: Really Happy With These Pillows!**
I purchased these pillows and couldn’t be happier!
First – they’re cool on *both* sides—finally! I’m not sure why that’s so rare (probably to cut costs), but these actually have cooling material on both sides, and it works really well.
Second – the venting around the center helps keep them from getting hot at night. A nice touch that makes a difference for hot sleepers.
However, the third feature is the best: the filling. Like many adjustable pillows, you can add or remove the fill, and these come with a small extra bag. The base amount was just right for most people. I had to remove some for my wife but added a bit more to mine. The fill itself is excellent—soft but supportive. You sink into it, but don’t hit bottom.
These pillows also have a good weight to them, so they don’t feel cheap. They fluff up great and seem very well made. I followed the recommended dryer run when I first received them and had no odor issues at all.
Highly recommend!
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Reviewed in the United States on August 25, 2025
★★★★★ 5
Awesome Pillows
Color: Blue, Size: King(2 Pack)-20'*36'
AWESOME, they actually stay cool!!! Extra foam to firm and great instructions how to remove foam and make softer. Fantastic product
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Reviewed in the United States on April 16, 2026
★★★★★ 4
Very fluffy and comfortable.
It only stays cool for a few minutes. It is a very comfortable pillow.
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Reviewed in the United States on December 13, 2025
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