GJYSYP Oil Valley AFM/DOD Plugs 8-Piece for 2005-2018 Gen IV-V LS Engines
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- £32.27
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Description
xOverview
Upgrade your AFM-equipped GM V8 with the GJYSYP Oil Valley AFM/DOD plug kit. This eight‑piece set is designed for the 2005–2018 4th and 5th generation engines, including L99, L83, L86, LT1, LT4, LT5 and other LSX and LT displacements that use genuine DOD/AFM valley covers. The plugs seal the oil passages, helping keep oil routed as intended and supporting a cleaner, more traditional valve-train flow in builds that aim for consistent performance characteristics.
These plugs are intended for use with genuine DOD/AFM valley covers and are not compatible with non-genuine covers. Each plug is installed by gently tapping it into the oil passage hole until it sits flush with the bottom edge, with a 4 mm x 0.7 thread on top for easy future removal. The design includes removable top threads for straightforward access if needed.
What you get and where it fits
- 8 AFM/DOD plugs for sealing oil passages on 2005–2018 4th and 5th generation GM V8 engines (LSX/LT families).
- Designed specifically for use with Genuine DOD/AFM valley covers; will not fit non-genuine valley covers.
- Flush installation with a bottom-edge flush sit and a removable top thread (4 mm x 0.7) for easy removal.
- Supports AFM-to-traditional valve train conversions by preventing oil from entering the stock AFM tappet path.
- Includes guidance for tight fits and a note on proper seating to avoid forcing gaps.
- GJYSYP warranty and dedicated after-sales support for a worry-free experience.
Installation tips and care
- Tap plugs gently into the oil passage holes until flush with the bottom edge of the plug.
- If you encounter a tight fit, try chilling the plugs briefly before installation to aid seating.
- Do not use these plugs with aftermarket or non-DOD valley covers; compatibility hinges on genuine DOD/AFM valley covers.
- Ensure a clean, dry surface and proper alignment before tapping to reduce the risk of gaps.
Quality and support
GJYSYP provides strict quality inspection and reliable after-sales service. If you have questions, our team responds promptly to help ensure a smooth installation and a confident purchase.
FAQ
Q: What engines is this plug kit compatible with?
A: Designed for 2005–2018 GM 4th/5th generation V8s and LSX/LT families using genuine AFM/DOD valley covers.
Q: Will these plugs fit non-genuine AFM valley covers?
A: No. They require genuine DOD/AFM valley covers for proper fit and sealing.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Complete Your Setup
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