Pay in installments of $30.50 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
8 x 180mm to 8 x 180mm (Chevy/GMC)Far From Stock Hub & Wheel Centric Billet Adapter (8180 8180, 141. 5 Studs, 125. 6 mm Bore) Must order two for a pair. Pricing is for one wheel adapter only. Hub and wheel centric billet adapter for GM HD trucks using the 8180 mm bolt pattern, M141. 5 studs, and a 125. 6 mm center bore. Same pattern design (8180 8180) maintains OEM geometry while adding clearance or stance. Machined from 6061 T6 aluminum billet. Vehicle Fitment (YMM) Make Model Years
Far From Stock — Hub & Wheel-Centric Billet Adapter (8×180 → 8×180, 14×1.5 Studs, 125.6 mm Bore)
Must order two for a pair. Pricing is for one wheel adapter only.
Hub- and wheel-centric billet adapter for GM HD trucks using the 8×180 mm bolt pattern, M14×1.5 studs, and a 125.6 mm center bore. Same-pattern design (8×180 → 8×180) maintains OEM geometry while adding clearance or stance. Machined from 6061-T6 aluminum billet.
Vehicle Fitment (YMM)
| Make | Model | Years | Notes |
|---|---|---|---|
| Chevrolet | Silverado 2500HD | 2011–Present | 8×180 mm, M14×1.5 studs, 125.6 mm bore. SRW only. |
| Chevrolet | Silverado 3500HD (SRW) | 2011–Present | SRW only. Not for dually (DRW). 8×180 mm, M14×1.5 studs, 125.6 mm bore. |
| GMC | Sierra 2500HD | 2011–Present | 8×180 mm, M14×1.5 studs, 125.6 mm bore. SRW only. |
| GMC | Sierra 3500HD (SRW) | 2011–Present | SRW only. Not for dually (DRW). 8×180 mm, M14×1.5 studs, 125.6 mm bore. |
Tech note: Many OEM hub-bore listings for GM 8×180 show ~124.1–124.2 mm. If your hub measures ~124.1–124.2 mm, use an appropriate centering ring to properly pilot to 125.6 mm for true hub-centric fit.
Key Details
- Bolt Pattern: 8×180 mm (vehicle) → 8×180 mm (wheel)
- Stud Size: M14×1.5
- Center Bore: 125.6 mm (hub- & wheel-centric)
- Application: GM 2500/3500 SRW (not DRW)
- Type: Same-pattern billet adapter (not a conversion)
- Material: Precision CNC-machined 6061-T6 aluminum billet
Why these outperform generic spacers
Stronger than Cast — Machined from 6061-T6 Billet
- 6061-T6 aerospace aluminum: Excellent toughness and fatigue resistance for working trucks.
- Hub- & wheel-centric load path: Centers at both the hub and wheel face for smooth rotation and even load.
- Precision machining: Tight runout and concentricity for high-speed stability.
- High-strength hardware: Premium studs and nuts spec’d to meet or exceed OEM grade requirements.
- OEM geometry preserved: Same-pattern 8×180 → 8×180 improves stance without altering mating angles.
Install Notes
- Verify fitment: Confirm vehicle is GM 2500/3500 SRW with 8×180 pattern and M14×1.5 studs.
- Measure hub bore: Check the OE hub. If ~124.1–124.2 mm, have the correct centering ring to pilot to 125.6 mm.
- Prep surfaces: Safely lift and secure the vehicle; remove wheel. Clean the hub face and center bore of rust/paint/debris.
- Test-fit adapter: Slide the adapter onto the hub to ensure it seats fully and evenly (no gaps). Confirm ring fit if used.
- Mount adapter: Install nuts onto factory studs; tighten in a star pattern to the vehicle manufacturer’s torque spec.
- Mount wheel: Place wheel onto adapter studs; install lug nuts and tighten in a star pattern to spec.
- Spin & clearance check: Rotate by hand to verify no contact with calipers, tie-rod ends, or fenders.
- Road-check and re-torque: After 50–100 miles, re-torque all adapter and wheel nuts to spec; re-check periodically.
Follow your vehicle manufacturer’s torque specifications and use components that match thread type and seat style.
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
4.5 ★★★★★
Based on 20 reviews
Sort
Product Reviews
★★★★★ 4
Just have to be careful not to take more than one per night or else wake up feeling like have a hangover
Size: 200 Count (Pack of 1)
Definitely works for me. Just have to be careful not to take more than one per night or else wake up feeling like have a hangover. Works great for me but not as well for my stepmother. She has severe insomnia and has been on sleeping medications for years. She tried taking this to go a more natural route but did not even affect her.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 9, 2018
★★★★★ 5
surprised!
I actually didn't realize I had ordered "time released" version. I thought these were just normal melatonin. But now that I've tried these, I love them so much better than the regular version! Helps me sleep better through the night. No taste, love this brand of Source Naturals.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 17, 2025
★★★★★ 5
The only one I'll use!
As the title says, this is the brand to get!! It's fast-acting, doesn't give me weird dreams like some do, and I never wake up feeling groggy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 13, 2025
★★★★★ 5
Works wonders
I've been buying these for well over a year now as Subscribe and Save. I work 12 hour overnights as a nurse. My sleep schedule normally gets messed up. I would have no problem falling asleep but would wake up only a few hours later which is not good when you have work again that night. We buy these on Amazon due to the great price and the fact that they are extended release which helps keep me asleep longer. When I take 1 or 2 of them, I am able to sleep about 7-8 hours which is great. I take this both when I sleep during the day and sleep during the night. It helps me sleep no matter when and I am able to adjust my sleep schedule often. I have recommended them to many.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 10, 2013
★★★★★ 4
Works quite well, dose still a bit high for me
Used to take the Natrol 5mg slow release, now that I can compare these 2, I love this more. It doesn't make me feel too edgy, it's quite relaxing actually. I still have to halve the dose as the full dose makes me groggy the next day. Where the Natrol gave me very vivid, but not unpleasant dreams, these don't make me dream as vividly. It does take a bit longer to get me to sleep, but once asleep, your asleep. Highly recommend, once I finish this bottle, I'd get the 2mg tr next time, as a lower dose works better for me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 10, 2014
recommand products
Werther's Original Soft Caramel Chewy Candies, Pink Label Bag 4.51oz (6 Pack)
27.98
Polyform A-0 Buoy 8" Diameter - Red
34.99
Onyx Nylon General Purpose Life Jacket - Adult Universal - Blue
35.00
Hori Hand Pouch for NS - Pikmin 4 [NSW-491]
547.50
Folgers 100% Colombian Medium Roast Ground Coffee Canister 22.6oz (18 Pack)
117.99